Add-ons [DBTech] Preview Last Post 1.2.0

Update highlights:

• !!!This version requires PHP 7.4+!!!
• This version refactors some backend code as well as fixing a compatibility issue with PHP 8.4.

Complete Change Log:

• Change: Refactored backend code
• Change: Bump minimum PHP version to 7.4 and recommended version to 8.2
• Fix: Fix PHP 8.4 compatibility issue

Update highlights

• This version fixes the preview output on the Gold version of XenForo 2.2.
• Complete Change Log
• Fix: Fix preview on the Gold version of XF 2.2