feat: add helm release github action (#2546)

.github/workflows/helm.yml

@@ -0,0 +1,40 @@
+name: Helm Release
+
+on:
+  push:
+    branches:
+      - master
+    paths:
+      - 'manifests/casdoor/Chart.yaml'
+
+jobs:
+  release-helm-chart:
+    name: Release Helm Chart
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Helm
+        uses: azure/setup-helm@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+
+      - name: Release Helm Chart
+        run: |
+          cd manifests/casdoor
+          REGISTRY=oci://registry-1.docker.io/casbin
+          helm package .
+          PKG_NAME=$(ls *.tgz)
+          helm repo index . --url $REGISTRY --merge index.yaml
+          helm push $PKG_NAME $REGISTRY
+          rm $PKG_NAME
+
+      - name: Commit updated helm index.yaml
+        uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          commit_message: 'ci: update helm index.yaml'