Add harbor-helm release workflow

Signed-off-by: Yang Jiao <yang.jiao@broadcom.com>

.github/workflows/publish_release.yaml

@@ -0,0 +1,27 @@
+name: Publish Release
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+
+jobs:
+  release:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          ref: ${{ github.ref }}
+      - name: Setup Helm
+        uses: azure/setup-helm@v3
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+        id: install
+      - name: Helm Package
+        run: |
+          echo "PACKAGE_PATH=$(helm package ../harbor-helm | awk '{print $NF}')" >> $GITHUB_ENV
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        with:
+          files: ${{ env.PACKAGE_PATH }}