ci(charts): Add strict helm liniting for all charts

charts/.utils/gitlab-ci.yaml

@@ -20,6 +20,20 @@ chart-package:
       changes:
         - charts/${CHART}/Chart.yaml
 
+
+chart-helm-lint:
+  stage: lint
+  extends: .chart-matrix
+  image: quay.io/helmpack/chart-testing:v3.7.1
+  script:
+    - helm lint --strict charts/${CHART}
+  rules:
+    - if: '$CI_PIPELINE_SOURCE == "push"'
+      changes:
+        paths:
+          - charts/${CHART}/**/*
+        compare_to: main
+
 chart-helm-unittest:
   stage: lint
   extends: .chart-matrix