CI: Refactor helm chart publish action into release workflow

.github/workflows/release.yaml

@@ -103,3 +103,48 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
+
+  build-publish-helm-chart:
+    name: Build and publish Helm chart
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Setup the repository
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Setup Python
+        uses: actions/setup-python@v3
+
+      - name: Install chart publishing dependencies
+        run: |
+          pip install chartpress pyyaml
+          pip list
+          helm version
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Configure a git user
+        run: |
+          git config --global user.email "[email protected]"
+          git config --global user.name "GitHub Actions user"
+
+      - name: Build and publish Helm chart with chartpress
+        env:
+          GITHUB_ACTOR: ""
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+        run: resources/helm/tools/build-publish-helm-chart.sh