Bump actions/upload-artifact from 6 to 7 (#402)

Author: dependabot[bot]

.github/workflows/test.yml

@@ -117,7 +117,7 @@ jobs:
       env:
          CIBW_BUILD: ${{ runner.os == 'Windows' && runner.arch == 'ARM64' && 'cp311-*' || 'cp39-*' }}
 
-    - uses: actions/upload-artifact@v6
+    - uses: actions/upload-artifact@v7
       with:
         name: cibw-wheels-${{ matrix.os }}
         path: ./wheelhouse/*.whl
@@ -132,7 +132,7 @@ jobs:
     - name: Build sdist
       run: pipx run build --sdist
 
-    - uses: actions/upload-artifact@v6
+    - uses: actions/upload-artifact@v7
       with:
         name: cibw-sdist
         path: dist/*.tar.gz