ci: add publish helm chart workflow

.github/workflows/publish-chart.yaml

@@ -0,0 +1,32 @@
+name: Release Charts
+
+on:
+  push:
+    branches:
+      - dev
+
+jobs:
+  release:
+    permissions:
+      contents: write
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Configure Git
+        run: |
+          git config user.name "$GITHUB_ACTOR"
+          git config user.email "[email protected]"
+
+      - name: Install Helm
+        uses: azure/setup-helm@v3
+
+      - name: Run chart-releaser
+        uses: helm/[email protected]
+        with:
+          chart_path: helm/guardgress
+        env:
+          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"