Use GitHub Actions for CI

.github/workflows/test.yml

@@ -0,0 +1,21 @@
+---
+name: Tests
+on: [ push, pull_request ]
+jobs:
+  test:
+    name: Test (Ruby ${{ matrix.ruby }})
+    runs-on: ubuntu-${{ matrix.ubuntu }}
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby: [ '3.3', '3.2', '3.1', '3.0', '2.7', '2.6', '2.5', '2.4', '2.3', 'jruby-9.4' ]
+        ubuntu: [ 'latest' ]
+        include:
+          - { ruby: '2.2', ubuntu: '20.04' }
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+      - run: bundle exec rake

README.md

@@ -1,6 +1,6 @@
 # UserAgent
 
-[![Build Status](https://travis-ci.org/gshutler/useragent.svg?branch=master)](https://travis-ci.org/gshutler/useragent)
+[![Build Status](https://github.com/gshutler/useragent/actions/workflows/test.yml/badge.svg)](https://github.com/gshutler/useragent/actions/workflows/test.yml)
 [![Gem Version](https://badge.fury.io/rb/useragent.svg)](http://badge.fury.io/rb/useragent)
 
 UserAgent is a Ruby library that parses and compares HTTP User Agents.

useragent.gemspec

@@ -8,7 +8,7 @@ Gem::Specification.new do |s|
 
   s.files = Dir["LICENSE", "README.md", "lib/**/*.rb"]
 
-  s.add_development_dependency "rake", "~> 10.0"
+  s.add_development_dependency "rake", "~> 13.0"
   s.add_development_dependency "rspec", "~> 3.0"
 
   s.authors  = ["Joshua Peek", "Garry Shutler"]