Remove variable reference.

Author: kklein

.github/workflows/build_and_publish.yml

@@ -23,6 +23,7 @@ jobs:
       #  uses: pypa/cibuildwheel@v2.21.1
 
       - run:
+          mkdir dist
           echo "hello" > dist/pytsql-wheel-${{ matrix.os }}.whl
 
       - uses: actions/upload-artifact@v4
@@ -44,7 +45,7 @@ jobs:
 
       - uses: actions/upload-artifact@v4
         with:
-          name: pytsql-sdist-${{ matrix.os }}
+          name: pytsql-sdist
           path: dist/*.tar.gz
           if-no-files-found: error