Config rebase workflow to work with the github-actions user

Author: martin056

.github/workflows/rebase_dependencies.yml

@@ -13,5 +13,7 @@ jobs:
           fetch-depth: 0 # otherwise, you will fail to push refs to dest repo
           ref: dependencies
       - run: |
+          git config user.name github-actions
+          git config user.email [email protected]
           git rebase origin/master
           git push origin dependencies --force-with-lease