Update Helm release postgres-cluster to v6

.gitea/workflows/renovate.yaml

@@ -22,8 +22,9 @@ jobs:
         run: renovate
         env:
           RENOVATE_PLATFORM: gitea
+          RENOVATE_AUTODISCOVER: true
+          RENOVATE_ONBOARDING: true
           RENOVATE_ENDPOINT: ${{ vars.INSTANCE_URL }}
-          RENOVATE_REPOSITORIES: alexlebens/infrastructure
           RENOVATE_GIT_AUTHOR: Renovate Bot <renovate-bot@alexlebens.net>
           LOG_LEVEL: info
           RENOVATE_TOKEN: ${{ secrets.RENOVATE_TOKEN }}