docs: add Trivy scan badges

README.md

@@ -48,7 +48,7 @@ The semantic-release template uses some global configuration used throughout all
 
 | Input / Variable                                         | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | Default value                                 |
 | -------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------- |
-| `image` / `SEMREL_IMAGE`                                 | The Docker image used to run semantic-release                                                                                                                                                                                                                                                                                                                                                                                                                                                        | `registry.hub.docker.com/library/node:lts-slim` |
+| `image` / `SEMREL_IMAGE`                                 | The Docker image used to run semantic-release                                                                                                                                                                                                                                                                                                                                                                                                                                                        | `registry.hub.docker.com/library/node:lts-slim` <br/>[![Trivy Badge](https://to-be-continuous.gitlab.io/doc/secu/trivy-badge-SEMREL_IMAGE.svg)](https://to-be-continuous.gitlab.io/doc/secu/trivy-SEMREL_IMAGE) |
 | `version` / `SEMREL_VERSION`                             | The [semantic-release](https://www.npmjs.com/package/semantic-release) version to use                                                                                                                                                                                                                                                                                                                                                                                                                | `latest`                                      |
 | `exec-version` / `SEMREL_EXEC_VERSION`                   | The [@semantic-release/exec](https://www.npmjs.com/package/@semantic-release/exec) version to use                                                                                                                                                                                                                                                                                                                                                                                                    | `latest`                                      |
 | :lock: `GITLAB_TOKEN`                                    | A GitLab [project access token](https://docs.gitlab.com/ee/user/project/settings/project_access_tokens.html) or [personal access token](https://docs.gitlab.com/ce/user/profile/personal_access_tokens.html) with `api`, `read_repository` and `write repository` scopes. :warning: This variable is **mandatory** and [defined by `semantic-release`](https://github.com/semantic-release/semantic-release/blob/master/docs/usage/ci-configuration.md#push-access-to-the-remote-repository) itself. | _none_                                        |