Fix the release workflow

See https://github.com/orgs/community/discussions/142581

Author: Ezibenroc

.github/workflows/buildwheels.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Build sdist
         run: pipx run build --sdist
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           path: dist/*.tar.gz
 
@@ -65,15 +65,15 @@ jobs:
           CIBW_TEST_SKIP: "*-win_arm64"
           CIBW_BUILD_FRONTEND: "build"
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           path: ./wheelhouse/*.whl
 
   upload_pypi:
     needs: [build_wheels, build_sdist]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
           # unpacks default artifact into dist/
           # if `name: artifact` is omitted, the action will create extra parent dir