Update the CI workflow

.github/workflows/main.yml

@@ -1,22 +1,20 @@
 name: Ruby
 
-on: [push,pull_request]
+on: push
 
 jobs:
   build:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: ["2.6", "2.7", "3.0"]
+        ruby-version: ["3.0", "3.1", "3.2", "3.3"]
     name: "Tests on Ruby ${{ matrix.ruby }}"
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
-        ruby-version: ${{ matrix.ruby }}
-    - name: Run the default task
-      run: |
-        gem install bundler -v 2.2.3
-        bundle install
-        bundle exec rake
+        ruby-version: ${{ matrix.ruby-version }}
+        bundler-cache: true
+    - name: Test and lint
+      run: bundle exec rake

Gemfile.lock

@@ -70,6 +70,8 @@ GEM
       racc (~> 1.4)
     nokogiri (1.16.2-x86_64-darwin)
       racc (~> 1.4)
+    nokogiri (1.16.2-x86_64-linux)
+      racc (~> 1.4)
     parallel (1.24.0)
     parser (3.3.0.5)
       ast (~> 2.4.1)
@@ -152,6 +154,7 @@ GEM
 PLATFORMS
   arm64-darwin-22
   universal-darwin-19
+  x86_64-linux
 
 DEPENDENCIES
   debug