feat: Modify GitHub Actions workflow for Helm chart publishing

- Add changelog for Helm chart

Author: DrumRobot

.github/workflows/pages.yaml

@@ -1,34 +1,26 @@
 name: Release Helm Chart
 
 on:
+  workflow_dispatch:
   push:
     branches:
       - main
     paths:
       - '.github/workflows/pages.yaml'
       - 'charts/**'
 
-jobs:
-  release:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Set up Helm
-        uses: azure/setup-helm@v4
-        with:
-          version: v3.17.0
+permissions: read-all
 
-      - name: Create Helm index
-        run: |
-          mkdir -p ./gh-pages
-          helm package charts/* --destination ./gh-pages
-          helm repo index ./gh-pages --url https://es6kr.github.io/nginx-cert-issuers
-
-      - name: Deploy to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v4
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./gh-pages
-          publish_branch: gh-pages
+jobs:
+  workflow:
+    name: Helm Workflows
+    uses: action-stars/helm-workflows/.github/workflows/release.yaml@0b498f1b9096b956f66f50954864e477dc3a639e # v0.8.5
+    secrets:
+      oci_password: ${{ secrets.GITHUB_TOKEN }}
+    permissions:
+      attestations: write
+      contents: write
+      id-token: write
+      packages: write
+    with:
+      publish_oci: true