Fixed build workflow.

Author: Esper89

.github/workflows/build.yml

@@ -8,14 +8,14 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
     - name: Checkout Repository
       uses: actions/checkout@v2
     - name: Build
       run: msbuild -property:Configuration=Release
     - name: Upload Artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: target
         path: target/dist