temporary change to satisfy format checker

This worked beore. We'll see if we can trick it to work again

Author: Greg Roth

.github/workflows/clang-format-checker.yml

@@ -88,7 +88,7 @@ jobs:
       - name: Fetch LLVM sources
         uses: actions/checkout@v4
         with:
-          fetch-depth: 2
+          repository: ${{ github.event.pull_request.head.repo.full_name }}
           path: build/main_src
 
       - name: Setup Python env