Merge pull request #137 from orien/github-actions

Use GitHub Actions for CI

.github/workflows/test.yml

@@ -0,0 +1,29 @@
+---
+name: Tests
+on: [ push, pull_request ]
+jobs:
+  test:
+    name: Test (Ruby ${{ matrix.ruby }})
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby:
+          - '2.0'
+          - '2.1'
+          - '2.2'
+          - '2.3'
+          - '2.4'
+          - '2.5'
+          - '2.6'
+          - '2.7'
+          - '3.0'
+          - '3.1'
+          - '3.2'
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+      - run: bundle exec rake

.travis.yml

@@ -1,13 +0,0 @@
-language: ruby
-cache: bundler
-rvm:
-  - 1.9
-  - 2.0
-  - 2.1
-  - 2.2
-  - 2.3
-  - 2.4
-  - 2.5
-  - 2.6
-  - 2.7
-  - 3.0

README.textile

@@ -1,5 +1,5 @@
 !https://img.shields.io/gem/dt/fastimage.svg!:https://rubygems.org/gems/fastimage
-!https://travis-ci.org/sdsykes/fastimage.svg?branch=master!:https://travis-ci.org/sdsykes/fastimage
+!https://github.com/sdsykes/fastimage/actions/workflows/test.yml/badge.svg?branch=master!:https://github.com/sdsykes/fastimage/actions/workflows/test.yml
 
 h1. FastImage