ci: run tests on PHP 8.4

Author: JaZo

.github/workflows/tests.yml

@@ -11,26 +11,32 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ['8.0', 8.1, 8.2, 8.3]
+        php: ['8.0', '8.1', '8.2', '8.3', '8.4']
         laravel: ['8.*', '9.*', '10.*', '11.*', '12.*']
         stability: [prefer-stable]
         exclude:
           - laravel: 8.*
-            php: 8.2
+            php: '8.2'
           - laravel: 8.*
-            php: 8.3
+            php: '8.3'
+          - laravel: 8.*
+            php: '8.4'
+          - laravel: 9.*
+            php: '8.3'
           - laravel: 9.*
-            php: 8.3
+            php: '8.4'
           - laravel: 10.*
             php: '8.0'
+          - laravel: 10.*
+            php: '8.4'
           - laravel: 11.*
             php: '8.0'
           - laravel: 11.*
-            php: 8.1
+            php: '8.1'
           - laravel: 12.*
             php: '8.0'
           - laravel: 12.*
-            php: 8.1
+            php: '8.1'
         include:
           - laravel: 8.*
             phpunit: ^9.5