Add rubygems.org trusted publishing

.github/workflows/publish_gem.yml

@@ -0,0 +1,23 @@
+name: Publish gem
+on: workflow_dispatch
+
+jobs:
+ push:
+ name: Publish gem to RubyGems.org
+ runs-on: ubuntu-latest
+
+ permissions:
+ id-token: write # IMPORTANT: this permission is mandatory for trusted publishing
+ contents: write # IMPORTANT: this permission is required for `rake release` to push the release tag
+
+ steps:
+ # Set up
+ - uses: actions/checkout@v4
+ - name: Set up Ruby
+ uses: ruby/setup-ruby@v1
+ with:
+ bundler-cache: true
+ ruby-version: ruby
+
+ # Release
+ - uses: rubygems/release-gem@v1