Add PHP 8.4 to versions under testing

Author: bryannielsen

.github/workflows/tests.yml

@@ -98,7 +98,7 @@ jobs:
         strategy:
             fail-fast: false
             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]
                 os: [ubuntu-latest]
 
         name: Cypress Tests, PHP${{ matrix.php }} - ${{ matrix.os }}