k3s-infra/apps/immich/renovate.json

{
    "packageRules": [
      {
        "matchDatasources": ["docker"],
        "matchPackagePrefixes": ["ghcr.io/immich-app/"],
        "groupName": "Immich containers",
        "groupSlug": "immich-app-images"
      }
    ]
  }