ci: update actions/upload-artifact to v4

Author: montag451

.github/workflows/build.yml

@@ -16,8 +16,9 @@ jobs:
           CIBW_BUILD: cp36-* cp37-* cp38-* cp39-* cp310-* cp311-* cp312-* cp313-*
           CIBW_ARCHS: auto64
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
+          name: wheels
           path: ./wheelhouse/*.whl
 
   build_legacy_wheels:
@@ -33,8 +34,9 @@ jobs:
           CIBW_BUILD: cp27-* cp35-*
           CIBW_ARCHS: auto64
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
+          name: legacy-wheels
           path: ./wheelhouse/*.whl
 
   build_sdist:
@@ -46,6 +48,7 @@ jobs:
       - name: Build sdist
         run: pipx run build --sdist
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
+          name: sdist
           path: dist/*.tar.gz