Removed PHP 8.4 to github actions test suite

Author: rotimi

.github/workflows/php.yml

@@ -16,7 +16,7 @@ jobs:
 
     strategy:
         matrix:
-            php: [8.4, 8.3, 8.2, 8.1]
+            php: [8.3, 8.2, 8.1]
 # prefer-lowest is causing unit tests to fail when php 7.2 is run against PHPunit 7.x, 
 # PHPUnit 8.x is the latest stable release that supports PHP 7.2 and that runs fine
 #            dependency-version: [prefer-lowest, prefer-stable]