Replace Travis CI with GitHub Actions

.coveralls.yml

@@ -1 +1 @@
-service_name: travis-ci
+service_name: github-actions

.github/workflows/ci.yml

@@ -0,0 +1,38 @@
+name: CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby-version:
+          - '2.7.8'
+          - '3.0.7'
+          - '3.1.6'
+          - '3.2.7'
+          - '3.3.7'
+          - '3.4.2'
+          - 'head'
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ${{ matrix.ruby-version }}
+        bundler-cache: true
+    - name: Install dependencies
+      run: bundle install
+    - name: Run tests
+      run: bundle exec rspec
+    - name: Coveralls
+      uses: coverallsapp/github-action@v2
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}

Gemfile

@@ -12,5 +12,3 @@ gem 'rubocop', require: false
 gem 'rubocop-performance', '~> 1.24', require: false
 gem 'rubocop-rake', '~> 0.7.1', require: false
 gem 'rubocop-rspec', '~> 3.5', require: false
-gem 'travis'
-gem 'travis-lint'

spec/spec_helper.rb

@@ -3,8 +3,7 @@
 unless defined? JRUBY_VERSION
   require 'simplecov'
   require 'coveralls'
-  Coveralls.wear!
-
+
   SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new([
                                                                    SimpleCov::Formatter::HTMLFormatter,
                                                                    Coveralls::SimpleCov::Formatter