Merge pull request #1830 from jupyterhub/dependabot/github_actions/azure/setup-helm-4

chore(deps): bump azure/setup-helm from 3 to 4

Author: consideRatio

.github/workflows/publish.yml

@@ -56,7 +56,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Setup helm
-        uses: azure/setup-helm@v3
+        uses: azure/setup-helm@v4
         with:
           version: "v3.5.4"