update wheel action from v3 to v4

Author: skjerns

.github/workflows/wheels.yml

@@ -29,7 +29,7 @@ jobs:
       run: python -m pip install build twine
     - name: Build SDist
       run: python -m build --sdist
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         path: dist/*.tar.gz
     - name: Check metadata
@@ -59,7 +59,7 @@ jobs:
           CIBW_ARCHS_MACOS: "x86_64 arm64"
           CIBW_PRERELEASE_PYTHONS: False
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           path: wheelhouse/*.whl