Update verify.yml

.github/workflows/verify.yml

@@ -12,8 +12,30 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+
       - name: Fetch history
         run: git fetch --prune --unshallow
+
+      - name: Set up Helm
+        uses: azure/setup-helm@v3
+
+      - uses: actions/setup-python@v4
+
+      - name: Set up chart-testing
+        uses: helm/[email protected]
+
+      - name: Run chart-testing (list-changed)
+        id: list-changed
+        run: |
+          changed=$(ct list-changed --target-branch ${{ github.event.repository.default_branch }})
+          if [[ -n "$changed" ]]; then
+            echo "changed=true" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Run chart-testing (lint)
+        if: steps.list-changed.outputs.changed == 'true'
+        run: ct lint --target-branch ${{ github.event.repository.default_branch }}
+
       - name: Run lint
         uses: helm/[email protected]
         with: