Build and publish NuGet package to GitHub Package Registry

dotnet-publish-nuget.yml

name: Build and publish NuGet package to GPR
on: [push]
jobs:
  nuget-publish:
    name: Publish package to GPR
    runs-on: ubuntu-latest
    steps:
    - uses: einaregilsson/build-number@v1
      with:
        token: ${{ secrets.GITHUB_TOKEN }}
    - uses: actions/checkout@v2
    - uses: actions/setup-dotnet@v1
      with:
        source-url: https://nuget.pkg.github.com/YOUR_ORGANIZATION/index.json
      env:
        NUGET_AUTH_TOKEN: ${{secrets.GITHUB_TOKEN}}
    - run: dotnet pack --configuration Release /p:Version=1.1.0.$BUILD_NUMBER --output $GITHUB_WORKSPACE
    - run: dotnet nuget push $GITHUB_WORKSPACE/*.nupkg