Fix workflow

.github/workflows/main.yml

@@ -53,6 +53,13 @@ jobs:
         with:
           clang-format-version: '20'
           check-path: 'src'
+      - name: Show workspace dir after
+        run: |
+          echo "PWD: $(pwd)"
+          echo "GITHUB_WORKSPACE: ${{ github.workspace }}"
+          echo "env GITHUB_WORKSPACE: $GITHUB_WORKSPACE"
+          ls -l
+          ls -l src || echo "src directory not found"
 
   spell-check:
     runs-on: ubuntu-22.04