Fix missing Release configuration in CI scripts

.github/workflows/build.yml

@@ -24,7 +24,7 @@ jobs:
         run: dotnet build --no-restore --configuration Release
 
       - name: Run Unit Tests
-        run: dotnet test --no-build --verbosity normal
+        run: dotnet test --no-build --configuration Release
 
       - name: Pack Discord.Net
         run: dotnet pack --no-build --configuration Release