Use GitHub Actions instead of Travis

.github/workflows/main.yml

@@ -0,0 +1,64 @@
+name: CI Build
+
+on:
+  pull_request: {}
+  push:
+    branches:
+      - master
+    tags:
+      - v*
+
+jobs:
+  test:
+    name: Tests
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: volta-cli/action@v1
+        with:
+          node-version: 12.x
+      - run: yarn install --frozen-lockfile
+      - run: yarn lint
+      - run: yarn test:ember
+
+  floating-dependencies:
+    name: 'Floating Dependencies'
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: volta-cli/action@v1
+        with:
+          node-version: 12.x
+      - run: yarn install --no-lockfile
+      - run: yarn test:ember
+
+  try-scenarios:
+    name: 'Try: ${{ matrix.ember-try-scenario }}'
+
+    runs-on: ubuntu-latest
+
+    needs: test
+
+    strategy:
+      fail-fast: false
+      matrix:
+        ember-try-scenario:
+          - ember-lts-3.16
+          - ember-lts-3.20
+          - ember-release
+          - ember-beta
+          - ember-canary
+          - ember-default-with-jquery
+          - ember-classic
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: volta-cli/action@v1
+        with:
+          node-version: 12.x
+      - name: install dependencies
+        run: yarn install --frozen-lockfile
+      - name: test
+        run: node_modules/.bin/ember try:one ${{ matrix.ember-try-scenario }} --skip-cleanup

config/ember-try.js

@@ -2,7 +2,7 @@
 
 const getChannelURL = require('ember-source-channel-url');
 
-module.exports = async function() {
+module.exports = async function () {
   return {
     useYarn: true,
     scenarios: [
@@ -14,6 +14,14 @@ module.exports = async function() {
           }
         }
       },
+      {
+        name: 'ember-lts-3.20',
+        npm: {
+          devDependencies: {
+            'ember-source': '~3.20.5'
+          }
+        }
+      },
       {
         name: 'ember-release',
         npm: {
@@ -38,16 +46,6 @@ module.exports = async function() {
           }
         }
       },
-      // The default `.travis.yml` runs this scenario via `yarn test`,
-      // not via `ember try`. It's still included here so that running
-      // `ember try:each` manually or from a customized CI config will run it
-      // along with all the other scenarios.
-      {
-        name: 'ember-default',
-        npm: {
-          devDependencies: {}
-        }
-      },
       {
         name: 'ember-default-with-jquery',
         env: {
@@ -57,7 +55,7 @@ module.exports = async function() {
         },
         npm: {
           devDependencies: {
-            '@ember/jquery': '^0.5.1'
+            '@ember/jquery': '^1.1.0'
           }
         }
       },