CI: manual run should pack/deploy

Author: mgravell

.github/workflows/CI.yml

@@ -145,8 +145,8 @@ jobs:
         reporter: dotnet-trx
     # Package and upload to MyGet only on pushes to main, not on PRs
     - name: .NET Pack
-      if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+      if: (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && github.ref == 'refs/heads/main'
       run: dotnet pack Build.csproj --no-build -c Release /p:PackageOutputPath=${env:GITHUB_WORKSPACE}\.nupkgs /p:CI=true
     - name: Upload to MyGet
-      if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+      if: (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && github.ref == 'refs/heads/main'
       run: dotnet nuget push ${env:GITHUB_WORKSPACE}\.nupkgs\*.nupkg -s https://www.myget.org/F/stackoverflow/api/v2/package -k ${{ secrets.MYGET_API_KEY }}