[gha] username and email needs to be configured on git

.github/workflows/update-downloads.yml

@@ -42,6 +42,8 @@ jobs:
         id: cherry-pick-prerelease
         if: ${{ steps.auto-commit.outputs.changes_detected == 'true' }}
         run: |
+          git config --global user.name 'github-actions[bot]'
+          git config --global user.email '41898282+github-actions[bot]@users.noreply.github.com'
           git checkout prerelease
           git cherry-pick ${{ steps.auto-commit.outputs.commit_hash }}
           git push origin prerelease