Try to fix debug statement again

.github/workflows/source_distribution_tests.yml

@@ -91,7 +91,7 @@ jobs:
         run: pip install -vvv --no-index --find-links . protobuftests
       - name: Install python source
         run: cd protobuf-*/ && python setup.py install
-      - name: [Debug] Print installs
+      - name: Print installs for debugging
         run: pip list -v
       - name: Test that module is importable
         run: python -v -c 'from google._upb import _message; assert "google._upb._message.MessageMeta" in str(_message.MessageMeta)'