Set up Github actions

.github/workflows/tests.yml

@@ -0,0 +1,37 @@
+name: Tests
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        php: [8.1, 8.2, 8.3]
+        laravel: ['10.*', '11.*']
+        dependency-version: [prefer-lowest, prefer-stable]
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Setup PHP
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: ${{ matrix.php }}
+
+    - name: Install dependencies
+      run: |
+        composer require "laravel/framework:${{ matrix.laravel }}" --no-interaction --no-update
+        composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction
+
+    - name: Run tests
+      run: vendor/bin/phpunit