Improve CI

.github/workflows/legacy_ruby.yml

@@ -0,0 +1,28 @@
+name: Legacy Ruby specs
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    name: Specs
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        ruby-version: ['2.1', '2.2', '2.3', '2.4', '2.5', '2.6']
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ${{ matrix.ruby-version }}
+        bundler-cache: true
+    - name: Run specs
+      run: bundle exec rake

.github/workflows/ci.yml → .github/workflows/ruby.yml

@@ -6,23 +6,26 @@ on:
   pull_request:
     branches: [ master ]
 
+permissions:
+  contents: read
+
 jobs:
   test:
     name: Specs
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['2.1', '2.2', '2.3', '2.4', '2.5', '2.6', '2.7', '3.0']
-        experimental: [false]
+        ruby-version: ['2.7', '3.0', '3.1', '3.2']
+        channel: ['stable']
 
         include:
           - ruby-version: 'head'
-            experimental: true
+            channel: ['experimental']
 
-    continue-on-error: ${{ matrix.experimental }}
+    continue-on-error: ${{ matrix.channel != 'stable' }}
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:

README.md

@@ -1,9 +1,10 @@
-# OmniAuth CAS Strategy [![Gem Version][version_badge]][version] [![Build Status][github_actions_status]][github_actions]
+# OmniAuth CAS Strategy [![Gem Version][version_badge]][version] [![Build Status][github_actions_status]][github_actions] [![Build Status][github_legacy_actions_status]][github_actions]
 
 [version_badge]: https://badge.fury.io/rb/omniauth-cas.svg
 [version]: https://badge.fury.io/rb/omniauth-cas
 [github_actions]: https://github.com/ifad/omniauth-cas/actions
-[github_actions_status]: https://github.com/ifad/omniauth-cas/actions/workflows/ci.yml/badge.svg
+[github_actions_status]: https://github.com/ifad/omniauth-cas/actions/workflows/ruby.yml/badge.svg
+[github_actions_legacy_status]: https://github.com/ifad/omniauth-cas/actions/workflows/legacy_ruby.yml/badge.svg
 [releases]: https://github.com/dlindahl/omniauth-cas/releases
 
 This is a OmniAuth 1.0 compatible port of the previously available