Include PHP 8.4 in phpstan workflow

Author: bramr94

.github/workflows/phpstan.yml

@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        php: [8.3, 8.2, 8.1]
+        php: [8.4, 8.3, 8.2, 8.1]
         laravel: [10.*, 11.*]
         stability: [prefer-stable]
         include:
@@ -29,6 +29,8 @@ jobs:
             testbench: 9.*
             phpstan_neon: phpstan.neon
         exclude:
+          - laravel: 10.*
+            php: 8.4
           - laravel: 11.*
             php: 8.1