Add a cwd check

Author: leeyi45

.github/workflows/pull-request.yml

@@ -69,6 +69,9 @@ jobs:
     name: ${{ matrix.lib.name }} library (${{ matrix.os }})
 
     steps:
+      - name: Echo cwd
+        run: pwd
+
       - name: Check out source code
         if: matrix.lib.changes
         uses: actions/checkout@v4