add lint on chart before release (#9570)

Signed-off-by: James Strong <strong.james.e@gmail.com>

.github/workflows/helm.yaml

@@ -25,6 +25,18 @@ jobs:
       - name: Checkout
         uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b # v3.2.0
 
+      - name: Run Artifact Hub lint
+        run: |
+          wget https://github.com/artifacthub/hub/releases/download/v1.5.0/ah_1.5.0_linux_amd64.tar.gz
+          echo 'ad0e44c6ea058ab6b85dbf582e88bad9fdbc64ded0d1dd4edbac65133e5c87da *ah_1.5.0_linux_amd64.tar.gz' | shasum -c
+          tar -xzvf ah_1.5.0_linux_amd64.tar.gz ah
+          ./ah lint -p charts/ingress-nginx || exit 1
+          rm -f ./ah ./ah_1.5.0_linux_amd64.tar.gz
+
+      - name: Lint
+        run: |
+          ./build/run-in-docker.sh ./hack/verify-chart-lint.sh
+
       - uses: dorny/paths-filter@4512585405083f25c027a35db413c2b3b9006d50 # v2.11.1
         id: filter
         with: