Fetch gh-pages

Author: frankh

.github/workflows/release-chart.yaml

@@ -38,6 +38,7 @@ jobs:
         run: |
           git config user.name "Max Hedgehog"
           git config user.email "127861667+max-hedgehog[bot]@users.noreply.github.com"
+          git fetch origin gh-pages --depth=1
 
       - name: Package
         run: |