Increase CORE_PHP_MAX to 8.3

Migrated issue

Reported by: fjgarlin

Related to !119 (merged)

Problem/Motivation

As per conversation https://drupal.slack.com/archives/CGKLP028K/p1706956241520889
We should update PHP_MAX value to be 8.3

Steps to reproduce

Proposed resolution

Remaining tasks

User interface changes

API changes

Data model changes