hope im not a dumbass

.github/workflows/dotnet.yml

@@ -16,10 +16,15 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 5.0.x
+        dotnet-version: 3.1.x
     - name: Restore dependencies
       run: dotnet restore
     - name: Build
       run: dotnet build --no-restore
     - name: Test
       run: dotnet test --no-build --verbosity normal
+    - name: capture build artifacts
+      uses: actions/upload-artifact@v2
+      with:
+        name: Build
+        path: RepoFullDownloader-Core/bin/Debug/netcoreapp3.1/