update fetch depth

Author: rxu17

.github/workflows/ci.yml

@@ -37,7 +37,7 @@ jobs:
       - name: Checkout Code
         uses: actions/checkout@v3
         with:
-          fetch-depth: 0 # Fetch full history to ensure access to all branches
+          fetch-depth: 2
 
       - name: Determine All Changes
         id: all-changes