LCH-7211: Adding php 8.4 in pipeline. (#204)

Author: narendradesai

.github/workflows/content-hub-php-actions.yml

@@ -6,7 +6,7 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest ]
-        php-version: [ '7.4', '8.1', '8.2' ]
+        php-version: [ '7.4', '8.1', '8.2', '8.3', '8.4' ]
     steps:
       # This step checks out a copy of your repository.
       - name: Checkout