Add test to php 8.4

Author: cesargb

.github/workflows/tests.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: [8.3, 8.2, 8.1]
+        php: [8.4, 8.3, 8.2]
         laravel: ['10.*', '11.*']
         dependency-version: [prefer-stable]
         include:
@@ -20,8 +20,8 @@ jobs:
           - laravel: 11.*
             testbench: 9.*
         exclude:
-          - laravel: 11.*
-            php: 8.1
+          - laravel: 10.*
+            php: 8.4
 
     name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.dependency-version }}