Merge pull request #1251 from github/github-actions

Use GitHub Actions CI

Author: MikeMcQuaid

.github/main.workflow

@@ -0,0 +1,20 @@
+name: GitHub Actions CI
+on:
+  push:
+    branches: master
+  pull_request: []
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Set up Git repository
+      uses: actions/checkout@v1
+
+    - name: Set up Ruby
+      uses: actions/setup-ruby@v1
+
+    - name: Bootstrap
+      run: script/bootstrap
+
+    - name: Tests
+      run: script/test