Update dotnet.yml

Author: DeLaphante

.github/workflows/dotnet.yml

@@ -22,5 +22,7 @@ jobs:
         dotnet-version: 8.0.x
     - name: Restore dependencies
       run: dotnet restore
+    - name: Build
+      run: dotnet build --no-restore
     - name: Test
       run: dotnet test --no-build --verbosity normal