Update publish-helm-charts.yaml

Author: Madhu-1

.github/workflows/publish-helm-charts.yaml

@@ -85,9 +85,7 @@ jobs:
             --index-path=.cr-index/index.yaml  \
             --release-name-template=${{ github.event.release.tag_name }}
 
-          
-          cp -r .cr-index/* .
-          git add .
+          git add index.yaml
           git commit -m "Update Helm repo index from release ${{ github.event.release.tag_name }}"
           git push origin gh-pages -f