fix(config/replacements): require semver for renovate slim image tag …

…removal (#27991)

Co-authored-by: Rhys Arkins <rhys@arkins.net>

lib/config/presets/internal/replacements.ts

@@ -171,6 +171,7 @@ export const presets: Record<string, Preset> = {
         matchDatasources: ['docker'],
         matchPackageNames: ['ghcr.io/renovatebot/renovate'],
         matchPackagePatterns: ['^(?:docker\\.io/)?renovate/renovate$'],
+        versioning: 'semver',
       },
     ],
   },