use php 8.4 for unit tests

Signed-off-by: Robert Landers <landers.robert@gmail.com>

Author: withinboredom

.github/workflows/Test.yaml

@@ -17,7 +17,7 @@ jobs:
         env:
           runner: self-hosted
         with:
-          php-version: '8.3'
+          php-version: '8.4'
           extensions: pcntl, xdebug
           tools: composer
       - name: Get composer cache directory