feat: default to binarySource=install (#18027)

Changes binarySource default value from global to install.

Closes #14531

BREAKING CHANGE: Users of containerbase images (such as official Renovate images) will now have dynamic package manager installs enabled by default.

lib/config/options/index.ts

@@ -289,7 +289,7 @@ const options: RenovateOptions[] = [
     globalOnly: true,
     type: 'string',
     allowedValues: ['global', 'docker', 'install', 'hermit'],
-    default: 'global',
+    default: 'install',
   },
   {
     name: 'redisUrl',

lib/util/exec/containerbase.ts

@@ -124,9 +124,7 @@ export function isDynamicInstall(
     return false;
   }
   if (!isContainerbase()) {
-    logger.warn(
-      'binarySource=install is only compatible with images derived from github.com/containerbase'
-    );
+    logger.debug('Falling back to binarySource=global');
     return false;
   }
   return (