Fix PR creation command in publish_release.yml

Author: michelroegl-brunner

.github/workflows/publish_release.yml

@@ -53,16 +53,16 @@ jobs:
       - name: Create PR with GitHub CLI
         id: pr
         run: |
-          pr_number=$(gh pr create \
+            pr_url=$(gh pr create \
             --base main \
             --head update-version-${{ steps.draft.outputs.tag_name }} \
             --title "chore: add VERSION ${{ steps.draft.outputs.tag_name }}" \
             --body "Adds VERSION file for release ${{ steps.draft.outputs.tag_name }}" \
-            --label automated \
-            --json number \
-            --jq '.number')
-          echo $pr_number
-          echo "pr_number=$pr_number" >> $GITHUB_OUTPUT
+            --label automated)
+    
+            pr_number=$(echo "$pr_url" | awk -F/ '{print $NF}')
+            echo $pr_number
+            echo "pr_number=$pr_number" >> $GITHUB_OUTPUT
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}