Drop travis ci in favor of github actions

.github/workflows/test.yml

@@ -0,0 +1,35 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+# This workflow will download a prebuilt Ruby version, install dependencies and run tests with Rake
+# For more information see: https://github.com/marketplace/actions/setup-ruby-jruby-and-truffleruby
+
+name: Test
+
+on:
+  push:
+    branches: [ $default-branch ]
+  pull_request:
+    branches: [ $default-branch ]
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby-version: ['3.0', '3.1', '3.2', '3.3', '3.4', 'head']
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Ruby
+    - uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ${{ matrix.ruby-version }}
+        bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+    - name: Run tests
+      run: bundle exec rake

README.rdoc

@@ -1,7 +1,5 @@
 ROXML Ruby Object to XML mapping library.
 
-{https://travis-ci.org/Empact/roxml.svg?branch=master}[https://travis-ci.org/Empact/roxml]
-
 For more information visit:
 
     http://rdoc.info/projects/Empact/roxml

roxml.gemspec

@@ -16,9 +16,7 @@ Gem::Specification.new do |s|
     "README.rdoc"
   ]
   s.files = [
-    ".gitmodules",
     ".rspec",
-    ".travis.yml",
     "Gemfile",
     "Gemfile.lock",
     "History.txt",