feat: add prBanner to default prBody template

lib/config/templates/default/pr-body.hbs

+{{prBanner}}
+
 This Pull Request {{#if isRollback}}rolls back{{else}}updates{{/if}} {{#if prettyDepType}}{{{prettyDepType}}}{{else}}dependency{{/if}} `{{{depName}}}` {{#if hasUrls}}({{#if homepage}}[homepage]({{{homepage}}}){{#if repositoryUrl}}, [source]({{{repositoryUrl}}}){{/if}}{{else}}[source]({{{repositoryUrl}}}){{/if}}){{/if}} from `{{#unless isRange}}{{#unless isPin}}v{{/unless}}{{/unless}}{{{currentValue}}}` to `{{#unless isRange}}v{{/unless}}{{{newValue}}}`{{#if isRollback}}. This is necessary and important because `v{{{currentValue}}}` cannot be found in the npm registry - probably because of it being unpublished.{{/if}}
 {{#if hasTypes}}
 

test/workers/repository/updates/__snapshots__/flatten.spec.js.snap

@@ -40,7 +40,7 @@ Array [
     "npmToken": null,
     "npmrc": null,
     "packageFile": "package.json ",
-    "prBody": "This Pull Request {{#if isRollback}}rolls back{{else}}updates{{/if}} {{#if prettyDepType}}{{{prettyDepType}}}{{else}}dependency{{/if}} \`{{{depName}}}\` {{#if hasUrls}}({{#if homepage}}[homepage]({{{homepage}}}){{#if repositoryUrl}}, [source]({{{repositoryUrl}}}){{/if}}{{else}}[source]({{{repositoryUrl}}}){{/if}}){{/if}} from \`{{#unless isRange}}{{#unless isPin}}v{{/unless}}{{/unless}}{{{currentValue}}}\` to \`{{#unless isRange}}v{{/unless}}{{{newValue}}}\`{{#if isRollback}}. This is necessary and important because \`v{{{currentValue}}}\` cannot be found in the npm registry - probably because of it being unpublished.{{/if}}\\n{{#if hasTypes}}\\n\\nThis PR also includes an upgrade to the corresponding [@types/{{{depName}}}](https://npmjs.com/package/@types/{{{depName}}}) package.\\n{{/if}}\\n{{#if releases.length}}\\n\\n{{#if schedule}}\\n**Note**: This PR was created on a configured schedule (\\"{{{schedule}}}\\"{{#if timezone}} in timezone \`{{{timezone}}}\`{{/if}}) and will not receive updates outside those times.\\n{{/if}}\\n\\n{{#if isPin}}\\n**Important**: Renovate will wait until you have merged this Pin request before creating PRs for any *upgrades*. If you do not wish to pin anything, please update your config accordingly instead of leaving this PR open.\\n{{/if}}\\n{{#if hasReleaseNotes}}\\n\\n<details>\\n<summary>Release Notes</summary>\\n\\n{{#each releases as |release|}}\\n{{#if release.releaseNotes}}\\n### [{{#if release.releaseNotes.name}}{{{release.releaseNotes.name}}}{{else}}\`v{{{release.version}}}\`{{/if}}]({{{release.releaseNotes.url}}})\\n{{#if release.compare.url}}\\n[Compare Source]({{release.compare.url}})\\n\\n{{/if}}\\n{{{release.releaseNotes.body}}}\\n\\n---\\n\\n{{/if}}\\n{{/each}}\\n</details>\\n{{/if}}\\n\\n{{/if}}\\n\\n{{#if hasErrors}}\\n\\n---\\n\\n# Errors\\n\\nRenovate encountered some errors when processing your repository, so you are being notified here even if they do not directly apply to this PR.\\n\\n{{#each errors as |error|}}\\n-   \`{{error.depName}}\`: {{error.message}}\\n{{/each}}\\n{{/if}}\\n\\n{{#if hasWarnings}}\\n\\n---\\n\\n# Warnings\\n\\nPlease make sure the following warnings are safe to ignore:\\n\\n{{#each warnings as |warning|}}\\n-   \`{{warning.depName}}\`: {{warning.message}}\\n{{/each}}\\n{{/if}}",
+    "prBody": "{{prBanner}}\\n\\nThis Pull Request {{#if isRollback}}rolls back{{else}}updates{{/if}} {{#if prettyDepType}}{{{prettyDepType}}}{{else}}dependency{{/if}} \`{{{depName}}}\` {{#if hasUrls}}({{#if homepage}}[homepage]({{{homepage}}}){{#if repositoryUrl}}, [source]({{{repositoryUrl}}}){{/if}}{{else}}[source]({{{repositoryUrl}}}){{/if}}){{/if}} from \`{{#unless isRange}}{{#unless isPin}}v{{/unless}}{{/unless}}{{{currentValue}}}\` to \`{{#unless isRange}}v{{/unless}}{{{newValue}}}\`{{#if isRollback}}. This is necessary and important because \`v{{{currentValue}}}\` cannot be found in the npm registry - probably because of it being unpublished.{{/if}}\\n{{#if hasTypes}}\\n\\nThis PR also includes an upgrade to the corresponding [@types/{{{depName}}}](https://npmjs.com/package/@types/{{{depName}}}) package.\\n{{/if}}\\n{{#if releases.length}}\\n\\n{{#if schedule}}\\n**Note**: This PR was created on a configured schedule (\\"{{{schedule}}}\\"{{#if timezone}} in timezone \`{{{timezone}}}\`{{/if}}) and will not receive updates outside those times.\\n{{/if}}\\n\\n{{#if isPin}}\\n**Important**: Renovate will wait until you have merged this Pin request before creating PRs for any *upgrades*. If you do not wish to pin anything, please update your config accordingly instead of leaving this PR open.\\n{{/if}}\\n{{#if hasReleaseNotes}}\\n\\n<details>\\n<summary>Release Notes</summary>\\n\\n{{#each releases as |release|}}\\n{{#if release.releaseNotes}}\\n### [{{#if release.releaseNotes.name}}{{{release.releaseNotes.name}}}{{else}}\`v{{{release.version}}}\`{{/if}}]({{{release.releaseNotes.url}}})\\n{{#if release.compare.url}}\\n[Compare Source]({{release.compare.url}})\\n\\n{{/if}}\\n{{{release.releaseNotes.body}}}\\n\\n---\\n\\n{{/if}}\\n{{/each}}\\n</details>\\n{{/if}}\\n\\n{{/if}}\\n\\n{{#if hasErrors}}\\n\\n---\\n\\n# Errors\\n\\nRenovate encountered some errors when processing your repository, so you are being notified here even if they do not directly apply to this PR.\\n\\n{{#each errors as |error|}}\\n-   \`{{error.depName}}\`: {{error.message}}\\n{{/each}}\\n{{/if}}\\n\\n{{#if hasWarnings}}\\n\\n---\\n\\n# Warnings\\n\\nPlease make sure the following warnings are safe to ignore:\\n\\n{{#each warnings as |warning|}}\\n-   \`{{warning.depName}}\`: {{warning.message}}\\n{{/each}}\\n{{/if}}",
     "prConcurrentLimit": 0,
     "prCreation": "immediate",
     "prHourlyLimit": 0,
@@ -110,7 +110,7 @@ Array [
     "npmToken": null,
     "npmrc": null,
     "packageFile": "package.json ",
-    "prBody": "This Pull Request {{#if isRollback}}rolls back{{else}}updates{{/if}} {{#if prettyDepType}}{{{prettyDepType}}}{{else}}dependency{{/if}} \`{{{depName}}}\` {{#if hasUrls}}({{#if homepage}}[homepage]({{{homepage}}}){{#if repositoryUrl}}, [source]({{{repositoryUrl}}}){{/if}}{{else}}[source]({{{repositoryUrl}}}){{/if}}){{/if}} from \`{{#unless isRange}}{{#unless isPin}}v{{/unless}}{{/unless}}{{{currentValue}}}\` to \`{{#unless isRange}}v{{/unless}}{{{newValue}}}\`{{#if isRollback}}. This is necessary and important because \`v{{{currentValue}}}\` cannot be found in the npm registry - probably because of it being unpublished.{{/if}}\\n{{#if hasTypes}}\\n\\nThis PR also includes an upgrade to the corresponding [@types/{{{depName}}}](https://npmjs.com/package/@types/{{{depName}}}) package.\\n{{/if}}\\n{{#if releases.length}}\\n\\n{{#if schedule}}\\n**Note**: This PR was created on a configured schedule (\\"{{{schedule}}}\\"{{#if timezone}} in timezone \`{{{timezone}}}\`{{/if}}) and will not receive updates outside those times.\\n{{/if}}\\n\\n{{#if isPin}}\\n**Important**: Renovate will wait until you have merged this Pin request before creating PRs for any *upgrades*. If you do not wish to pin anything, please update your config accordingly instead of leaving this PR open.\\n{{/if}}\\n{{#if hasReleaseNotes}}\\n\\n<details>\\n<summary>Release Notes</summary>\\n\\n{{#each releases as |release|}}\\n{{#if release.releaseNotes}}\\n### [{{#if release.releaseNotes.name}}{{{release.releaseNotes.name}}}{{else}}\`v{{{release.version}}}\`{{/if}}]({{{release.releaseNotes.url}}})\\n{{#if release.compare.url}}\\n[Compare Source]({{release.compare.url}})\\n\\n{{/if}}\\n{{{release.releaseNotes.body}}}\\n\\n---\\n\\n{{/if}}\\n{{/each}}\\n</details>\\n{{/if}}\\n\\n{{/if}}\\n\\n{{#if hasErrors}}\\n\\n---\\n\\n# Errors\\n\\nRenovate encountered some errors when processing your repository, so you are being notified here even if they do not directly apply to this PR.\\n\\n{{#each errors as |error|}}\\n-   \`{{error.depName}}\`: {{error.message}}\\n{{/each}}\\n{{/if}}\\n\\n{{#if hasWarnings}}\\n\\n---\\n\\n# Warnings\\n\\nPlease make sure the following warnings are safe to ignore:\\n\\n{{#each warnings as |warning|}}\\n-   \`{{warning.depName}}\`: {{warning.message}}\\n{{/each}}\\n{{/if}}",
+    "prBody": "{{prBanner}}\\n\\nThis Pull Request {{#if isRollback}}rolls back{{else}}updates{{/if}} {{#if prettyDepType}}{{{prettyDepType}}}{{else}}dependency{{/if}} \`{{{depName}}}\` {{#if hasUrls}}({{#if homepage}}[homepage]({{{homepage}}}){{#if repositoryUrl}}, [source]({{{repositoryUrl}}}){{/if}}{{else}}[source]({{{repositoryUrl}}}){{/if}}){{/if}} from \`{{#unless isRange}}{{#unless isPin}}v{{/unless}}{{/unless}}{{{currentValue}}}\` to \`{{#unless isRange}}v{{/unless}}{{{newValue}}}\`{{#if isRollback}}. This is necessary and important because \`v{{{currentValue}}}\` cannot be found in the npm registry - probably because of it being unpublished.{{/if}}\\n{{#if hasTypes}}\\n\\nThis PR also includes an upgrade to the corresponding [@types/{{{depName}}}](https://npmjs.com/package/@types/{{{depName}}}) package.\\n{{/if}}\\n{{#if releases.length}}\\n\\n{{#if schedule}}\\n**Note**: This PR was created on a configured schedule (\\"{{{schedule}}}\\"{{#if timezone}} in timezone \`{{{timezone}}}\`{{/if}}) and will not receive updates outside those times.\\n{{/if}}\\n\\n{{#if isPin}}\\n**Important**: Renovate will wait until you have merged this Pin request before creating PRs for any *upgrades*. If you do not wish to pin anything, please update your config accordingly instead of leaving this PR open.\\n{{/if}}\\n{{#if hasReleaseNotes}}\\n\\n<details>\\n<summary>Release Notes</summary>\\n\\n{{#each releases as |release|}}\\n{{#if release.releaseNotes}}\\n### [{{#if release.releaseNotes.name}}{{{release.releaseNotes.name}}}{{else}}\`v{{{release.version}}}\`{{/if}}]({{{release.releaseNotes.url}}})\\n{{#if release.compare.url}}\\n[Compare Source]({{release.compare.url}})\\n\\n{{/if}}\\n{{{release.releaseNotes.body}}}\\n\\n---\\n\\n{{/if}}\\n{{/each}}\\n</details>\\n{{/if}}\\n\\n{{/if}}\\n\\n{{#if hasErrors}}\\n\\n---\\n\\n# Errors\\n\\nRenovate encountered some errors when processing your repository, so you are being notified here even if they do not directly apply to this PR.\\n\\n{{#each errors as |error|}}\\n-   \`{{error.depName}}\`: {{error.message}}\\n{{/each}}\\n{{/if}}\\n\\n{{#if hasWarnings}}\\n\\n---\\n\\n# Warnings\\n\\nPlease make sure the following warnings are safe to ignore:\\n\\n{{#each warnings as |warning|}}\\n-   \`{{warning.depName}}\`: {{warning.message}}\\n{{/each}}\\n{{/if}}",
     "prConcurrentLimit": 0,
     "prCreation": "immediate",
     "prHourlyLimit": 0,