GA for automation gem release.

release.yml

name: Release

on:
  release:
    types: [created]

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Set up Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: 3.2.2
          bundler-cache: true # runs 'bundle install' and caches installed gems automatically
      - name: Run tests
        run: bundle exec rake
      - name: publish gem
        run: |
          mkdir -p $HOME/.gem
          touch $HOME/.gem/credentials
          chmod 0600 $HOME/.gem/credentials
          printf -- "---\n:rubygems_api_key: ${GEM_HOST_API_KEY}\n" > $HOME/.gem/credentials
          gem build *.gemspec
          gem push *.gem
        env:
          GEM_HOST_API_KEY: "${{secrets.RUBYGEMS_AUTH_TOKEN}}"