Ensure that we build on Windows before we publish.

Author: AlexGhiondea

.github/workflows/publishToNuget.yml

@@ -7,9 +7,10 @@ name: Publish package
 on:
  release:
   types: [published]
+  
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: windows-latest
     steps:
     - uses: actions/checkout@v2
     - name: Setup .NET Core