Run tests on Github Actions

.github/workflows/build.yml

@@ -0,0 +1,22 @@
+name: Build
+on: [ push, pull_request ]
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php-versions: [ '7.3', '7.4', '8.0' ]
+    name: Testing on PHP ${{ matrix.php-versions }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-versions }}
+          extensions: mbstring,bcmath
+          tools: phpunit,composer
+      - name: Install dependencies
+        run: composer install --quiet --no-ansi --no-interaction --no-scripts --no-progress
+      - name: Run tests
+        run: composer test

README.md

@@ -1,4 +1,4 @@
-[![Build Status](https://travis-ci.org/hedii/colissimo-api.svg?branch=master)](https://travis-ci.org/hedii/colissimo-api)
+[![Build Status](https://github.com/hedii/colissimo-api/workflows/Build/badge.svg)](https://github.com/hedii/colissimo-api/actions)
 
 # colissimo-api
 A php package to track Colissimo (La Poste) parcels