Refresh CI configuration

.github/workflows/test.yml

@@ -1,4 +1,4 @@
-name: Run tests
+name: Tests
 
 on:
   pull_request:
@@ -10,36 +10,24 @@ on:
 
 jobs:
   test:
-    name: "Run tests"
-    if: "!contains(github.event.head_commit.message, '[ci skip]')"
+    # Skip running tests for local pull requests (use push event instead), run only for foreign ones
+    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.owner.login != github.event.pull_request.base.repo.owner.login
+    name: 'Ruby ${{ matrix.ruby }}'
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        include:
-          - ruby: 3.0
-          - ruby: 2.7
-          - ruby: 2.6
-          - ruby: 2.5
-    container:
-      image: ruby:${{ matrix.ruby }}
-      env:
-        CI: true
+        ruby:
+          - '2.7'
+          - '3.0'
+          - '3.1'
+          - '3.2'
+          - '3.3'
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/cache@v2
+      - uses: actions/checkout@v4
+      - uses: ruby/setup-ruby@v1
         with:
-          path: vendor/bundle
-          key: bundle-${{ matrix.ruby }}-${{ hashFiles('**/*.gemspec') }}-${{ hashFiles('**/Gemfile') }}
-          restore-keys: |
-            bundle-${{ matrix.ruby }}-${{ hashFiles('**/*.gemspec') }}-${{ hashFiles('**/Gemfile') }}
-            bundle-${{ matrix.ruby }}-
-      - name: Upgrade Bundler to 2.0 (for older Rubies)
-        run: gem install bundler -v '~> 2.0'
-      - name: Bundle install
-        run: |
-          bundle config path vendor/bundle
-          bundle install
-          bundle update
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
       - name: Run RSpec
         run: bundle exec rspec