Add release github action

.github/workflows/release.yml

@@ -0,0 +1,26 @@
+name: Release
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build_and_push:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: 3.2
+        bundler-cache: true
+    - run: bundle exec rake
+    - name: Publish to RubyGems
+      run: |
+        mkdir -p $HOME/.gem
+        touch $HOME/.gem/credentials
+        chmod 0600 $HOME/.gem/credentials
+        printf -- "---\n:rubygems_api_key: ${RUBYGEMS_API_KEY}\n" > $HOME/.gem/credentials
+        gem build *.gemspec
+        gem push *.gem
+      env:
+        RUBYGEMS_API_KEY: "${{secrets.RUBYGEMS_API_KEY}}"

.github/workflows/ci.yml → .github/workflows/test.yml

@@ -1,4 +1,4 @@
-name: CI
+name: Test
 
 on: [push, pull_request]