Bump actions/upload-artifact from 4 to 7

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v7)

Author: DimitriPapadopoulos

.github/workflows/wheel.yaml

@@ -35,7 +35,7 @@ jobs:
 
       - uses: pypa/cibuildwheel@v3.1.3
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         with:
           name: wheels-${{ matrix.os }}
           path: ./wheelhouse
@@ -60,7 +60,7 @@ jobs:
       - name: test install
         run: pip install dist/numcodecs*.tar.gz
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         with:
           name: sdist
           path: dist/*.tar.gz