fix(ci): set GH_TOKEN for commenting after fast-forward failure

.github/workflows/fast-forward.yml

@@ -35,6 +35,8 @@ jobs:
 
       - name: Comment if mergeable_state is not clean
         if: ${{ github.event.pull_request.mergeable_state  != 'clean' }}
+        env:
+          GH_TOKEN: ${{ secrets.CI_ACCESS_TOKEN }}
         run: |
           gh pr comment ${{ github.event.pull_request.number }} \
             --repo "${GITHUB_REPOSITORY}" \