Laravel 13 support (#49)

.github/workflows/ci.yml

@@ -11,16 +11,14 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        laravel: [10, 11, 12]
+        laravel: [10, 11, 12, 13]
 
     steps:
     - uses: actions/checkout@v2
     - name: Setup PHP
       uses: shivammathur/setup-php@v2
       with:
-        php-version: 8.2
-        tools: composer:v2
-        coverage: none
+        php-version: 8.3
     - name: Install composer dependencies
       run: composer require "laravel/framework:^${{matrix.laravel}}.0"
     - name: Run tests