Add maintainers

Author: CRThaze

.github/workflows/update-readme.yaml

@@ -13,7 +13,9 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-    - uses: actions/checkout@v4
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.ref }}
 
     - name: Render helm docs inside the README.md and push changes back to PR branch
       uses: losisin/helm-docs-github-action@v1