feat(ci): add helm test and lint action

.github/workflows/test-chart.yaml

@@ -0,0 +1,36 @@
+name: Lint and Test Charts
+
+on: pull_request
+
+jobs:
+  lint-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Set up Helm
+        uses: azure/setup-helm@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.9'
+          check-latest: true
+      - name: Set up chart-testing
+        uses: helm/[email protected]
+      - name: Run chart-testing (list-changed)
+        id: list-changed
+        run: |
+          changed=$(ct list-changed)
+          if [[ -n "$changed" ]]; then
+            echo "changed=true" >> "$GITHUB_OUTPUT"
+          fi
+      - name: Run chart-testing (lint)
+        if: steps.list-changed.outputs.changed == 'true'
+        run: ct lint
+      - name: Create kind cluster
+        if: steps.list-changed.outputs.changed == 'true'
+        uses: helm/[email protected]
+      - name: Run chart-testing (install)
+        if: steps.list-changed.outputs.changed == 'true'
+        run: ct install