Update protobuf.yml

Update check due to black reformatting

Author: jdsika

.github/workflows/protobuf.yml

@@ -25,7 +25,7 @@ jobs:
     - name: Check Build Setup
       run: |
         ( result=0 ; for f in *.proto ; do grep -wq "$f" CMakeLists.txt || { echo "Missing $f in CMakeLists.txt" && let "result++"; } ; done ; exit $result )
-        ( result=0 ; for f in *.proto ; do grep -q "'$f'" setup.py || { echo "Missing $f in setup.py" && let "result++"; } ; done ; exit $result )
+        ( result=0 ; for f in *.proto ; do grep -q "'"'$f'"'" setup.py || { echo "Missing $f in setup.py" && let "result++"; } ; done ; exit $result )
 
     - name: Setup Python
       uses: actions/setup-python@v5