GA: do not use windows-arch in macos configuration

.github/workflows/macos.yml:43:54: property "windows-arch" is not defined in object type {python-version: number} [expression]
   |
43 |         name: wheel-${{ matrix.python-version }}-${{ matrix.windows-arch }}
   |                                                      ^~~~~~~~~~~~~~~~~~~

Author: LudovicRousseau

.github/workflows/macos.yml

@@ -40,7 +40,7 @@ jobs:
 
     - uses: actions/upload-artifact@v7
       with:
-        name: wheel-${{ matrix.python-version }}-${{ matrix.windows-arch }}
+        name: wheel-${{ matrix.python-version }}
         path: dist/*.whl
 
   publish: