Skip existing helm releases

Author: bashofmann

.github/workflows/release-workflow.yaml

@@ -22,6 +22,7 @@ jobs:
         uses: helm/chart-releaser-action@v1.5.0
         env:
           CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+          CR_SKIP_EXISTING: true
 
       - name: Checkout to gh-pages
         uses: actions/checkout@v3