Restore branch only when pull-request is closed in Release.yaml

Author: HansRobo

.github/workflows/Release.yaml

@@ -33,6 +33,7 @@ jobs:
       new_version: ${{ steps.new_version.outputs.new_version }}
     steps:
       - name: Restore branch
+        if: github.event.pull_request.merged == true
         uses: levonet/action-restore-branch@master
 
       - name: Install bloom