fix: add git configuration to workflow to prevent commit failures

Adds git user.name and user.email configuration to prevent the
'Author identity unknown' error that was causing git CLI commits to fail.

Author: chrisbbreuer

.github/workflows/buddy-update.yml

@@ -74,6 +74,11 @@ jobs:
       - name: Build buddy-bot
         run: bun run build
 
+      - name: Configure Git
+        run: |
+          git config --global user.name "buddy-bot[bot]"
+          git config --global user.email "buddy-bot[bot]@users.noreply.github.com"
+
       - name: Verify Composer setup
         run: |
           echo "🔍 Verifying Composer and PHP setup..."