Set git config user for sync_main_latest workflow. (#230)

* Set git config user for sync_main_latest workflow.

* Update PR description.

(cherry picked from commit ad9ffb0)

Author: arriolac

.github/workflows/sync_main_latest.yml

@@ -12,6 +12,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Set git config user
+        run: git config user.email "[email protected]" && git config user.name "compose-devrel-github-bot"
+
       - name: Merge main into latest
         run: git checkout latest && git merge main
 
@@ -27,5 +30,5 @@ jobs:
           branch: bot-sync-main
           delete-branch: true
           title: '🤖 Sync main to latest'
-          body: Updated dependencies
+          body: 'Update `latest` with `main`'
           reviewers: ${{ github.actor }}