Update sync-main.yml

Author: dilanbhalla

.github/workflows/sync-main.yml

@@ -25,8 +25,8 @@ jobs:
       - name: Git config
         shell: bash
         run: |
-          git config user.name Dilan Bhalla
-          git config user.email dilanbhalla@microsoft.com
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
       - name: Add and fetch upstream
         run: |
           git remote add upstream https://github.com/github/codeql.git