add if section in the restore branch step of the Release action

.github/workflows/PostCheckList.yaml

@@ -33,4 +33,4 @@ jobs:
             - [ ] Labels of this pull request are valid?
             - [ ] All unit tests/integration tests are included in this pull request? If you think adding test cases is unnecessary, please describe why and cross out this line.
             - [ ] The documentation for this pull request is enough? If you think adding documents for this pull request is unnecessary, please describe why and cross out this line.
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.BLOOM_GITHUB_TOKEN }}

.github/workflows/Release.yaml

@@ -33,7 +33,9 @@ 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
+        continue-on-error: true
 
       - name: Install bloom
         run: apt update && apt install -y python3-bloom git curl
@@ -50,9 +52,21 @@ jobs:
           git config --global user.name  "Release Bot"
           git config --global user.email "[email protected]"
           git config --global --add safe.directory /__w/scenario_simulator_v2/scenario_simulator_v2
-          git config --global credential.helper ${{ secrets.GITHUB_TOKEN }}
+          git config --global credential.helper ${{ secrets.BLOOM_GITHUB_TOKEN }}
           git config pull.rebase false
 
+      - name: Copy branch to upstream
+        if: github.event.pull_request.head.repo.full_name != github.repository
+        env:
+          GITHUB_TOKEN: ${{ secrets.BLOOM_GITHUB_TOKEN }}
+        run: |
+          git remote add fork https://github.com/${{ github.event.pull_request.head.repo.full_name }}.git
+          git fetch --all
+          git checkout fork/${{ github.event.pull_request.head.ref }}
+          git checkout -b ${{ github.event.pull_request.head.ref }}
+          git push origin ${{ github.event.pull_request.head.ref }}
+          git checkout origin master
+
       - name: Get old version
         id: old_version
         run: |