Bump actions/upload-artifact to v3

Author: aleks-p

.github/workflows/build.yml

@@ -18,6 +18,6 @@ jobs:
         run: pip install build
       - name: Build wheel and sdist
         run: python -m build --sdist --wheel
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v3
         with:
           path: dist/*