UPMパッケージをnpmに登録するGitHub Actions

main.yml

name: UPM on npsjs.com
on:
  workflow_dispatch:
  release:
    types: [created]
jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - uses: actions/setup-node@v2
      with:
        registry-url: 'https://registry.npmjs.org'
    - run: npm publish
      working-directory: <PATH_TO_PACKAGE_ROOT>
      env:
        NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}

working-directoryがRootディレクトリの場合はworking-directoryセクション自体不要