Bump CI artifact to v4.

Author: eerimoq

.github/workflows/release.yml

@@ -32,6 +32,7 @@ jobs:
 
       - uses: actions/upload-artifact@v4
         with:
+          name: wheel-${{ matrix.os }}
           path: ./wheelhouse/*.whl
 
   build_sdist:
@@ -49,6 +50,7 @@ jobs:
 
       - uses: actions/upload-artifact@v4
         with:
+          name: sdist
           path: dist/*.tar.gz
 
   release:
@@ -58,7 +60,6 @@ jobs:
     steps:
       - uses: actions/download-artifact@v4
         with:
-          name: artifact
           path: dist
 
       - uses: pypa/gh-action-pypi-publish@master