Merge pull request #87 from MakingSense/DOI-1509-fix-nuget-package

[DOI-1509] set release configuration

.github/workflows/dotnet.yml

@@ -22,7 +22,7 @@ jobs:
     - name: Restore dependencies
       run: dotnet restore
     - name: Build
-      run: dotnet build --no-restore
+      run: dotnet build --no-restore --configuration Release
     - name: Test
       run: dotnet test --no-build --verbosity normal
     - name: Install GitVersion