Add release action

Author: mvz

.github/workflows/release.yml

@@ -0,0 +1,37 @@
+name: Release to RubyGems
+
+"on":
+  push:
+    branches:
+      - release/*
+
+jobs:
+  pre-release-check:
+    uses: cucumber/.github/.github/workflows/prerelease-checks.yml@main
+
+  test:
+    uses: ./.github/workflows/test.yml
+
+  publish-rubygem:
+    name: Publish Ruby Gem
+    needs: [pre-release-check, test]
+    runs-on: ubuntu-latest
+    environment: Release
+    steps:
+      - uses: actions/checkout@v4
+      - uses: cucumber/action-publish-rubygem@v1.0.0
+        with:
+          rubygems_api_key: ${{ secrets.RUBYGEMS_API_KEY }}
+
+  create-github-release:
+    name: Create GitHub Release and Git tag
+    needs: publish-rubygem
+    runs-on: ubuntu-latest
+    environment: Release
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v4
+      - uses: cucumber/action-create-github-release@v1.1.1
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/ruby.yml .github/workflows/test.yml

@@ -6,12 +6,15 @@ name: CI
 
 "on":
   push:
-    branches: [main]
+    branches:
+      - main
   pull_request:
-    branches: [main]
+    branches:
+      - main
+  workflow_call:
+  workflow_dispatch:
   schedule:
     - cron: '16 4 12 * *'
-  workflow_dispatch:
 
 env:
   CUCUMBER_PUBLISH_QUIET: true