Fix package CI

- Add push to master trigger;
- Replace the clunky cache + composer install steps with an Action;
- Replace Travis with GH WF in packages;
- Add the missing CI to amqp-tools;
- Replace the shields.

Author: andrewmy

.github/workflows/ci.yml

@@ -0,0 +1,31 @@
+name: CI
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        php: ['7.3', '7.4']
+
+    name: PHP ${{ matrix.php }} tests
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          coverage: none
+
+      - run: php Tests/fix_composer_json.php
+
+      - uses: "ramsey/composer-install@v1"
+        with:
+          composer-options: "--prefer-source"
+
+      - run: vendor/bin/phpunit --exlude-group=functional

.travis.yml

@@ -10,7 +10,7 @@ Enqueue is an MIT-licensed open source project with its ongoing development made
 # Message Queue. Simple client
 
 [![Gitter](https://badges.gitter.im/php-enqueue/Lobby.svg)](https://gitter.im/php-enqueue/Lobby)
-[![Build Status](https://travis-ci.org/php-enqueue/simple-client.png?branch=master)](https://travis-ci.org/php-enqueue/simple-client)
+[![Build Status](https://img.shields.io/github/workflow/status/php-enqueue/simple-client/CI)](https://github.com/php-enqueue/simple-client/actions?query=workflow%3ACI)
 [![Total Downloads](https://poser.pugx.org/enqueue/simple-client/d/total.png)](https://packagist.org/packages/enqueue/simple-client)
 [![Latest Stable Version](https://poser.pugx.org/enqueue/simple-client/version.png)](https://packagist.org/packages/enqueue/simple-client)