Update Helm release postgres-cluster to v6

.gitea/workflows/lint-test.yaml

@@ -2,6 +2,7 @@ name: lint-and-test
 
 on:
   pull_request:
+    types: [opened]
 
 jobs:
   lint-test:
@@ -29,11 +30,11 @@ jobs:
       - name: Run Chart Testing (list-changed)
         id: list-changed
         run: |
-          changed=$(ct list-changed --target-branch ${{ gitea.event.repository.default_branch }} --chart-dirs clusters/cl01tl/*/* )
+          changed=$(ct list-changed --target-branch ${{ gitea.event.repository.default_branch }})
           if [[ -n "$changed" ]]; then
             echo "changed=true" >> $GITHUB_OUTPUT
           fi
 
       - name: Run Chart Testing (lint)
         if: steps.list-changed.outputs.changed == 'true'
-        run: ct lint --validate-maintainers=false --target-branch ${{ gitea.event.repository.default_branch }} --chart-dirs clusters/cl01tl/*/*
+        run: ct lint --validate-maintainers=false --target-branch ${{ gitea.event.repository.default_branch }}