PHP 8.4 tests (#252)

Author: driesvints

.github/workflows/tests.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [7.4, '8.0', 8.1, 8.2, 8.3]
+        php: [7.4, '8.0', 8.1, 8.2, 8.3, 8.4]
         laravel: [8, 9, 10, 11]
         exclude:
           - php: 7.4
@@ -37,6 +37,12 @@ jobs:
             laravel: 8
           - php: 8.3
             laravel: 9
+          - php: 8.4
+            laravel: 8
+          - php: 8.4
+            laravel: 9
+          - php: 8.4
+            laravel: 10
 
     name: Ubuntu - PHP ${{ matrix.php }} - Laravel ${{ matrix.laravel }}