fix CI

Author: TheAngryByrd

.github/workflows/build.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Run publish
         run: dotnet pack -o release src
       - name: Upload NuGet packages
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: packages
           path: release/