Bump actions/upload-artifact from 3 to 4

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
     - name: Build sdist
       run: python setup.py sdist
     - name: Save sdist
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         path: dist/*.tar.gz
     - name: Install wheel
@@ -30,7 +30,7 @@ jobs:
         BUILD_EXTENSION: no
       run: python setup.py bdist_wheel
     - name: Save wheel
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         path: dist/*.whl
 
@@ -60,7 +60,7 @@ jobs:
       env:
         BUILD_EXTENSION: yes
     - name: Save wheels
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         path: wheelhouse/*.whl