* Tweak - Code maintenance for the attendees screen. [ET-1635]
* Enhancement - Add description for the Attendees Registration settings tab. [ETP-855]
* Enhancement - Add options to alter RSVP status from Admin edit screen for attendees. [ETP-843]
* Language - 4 new strings added, 27 updated, 0 fuzzied, and 1 obsoleted
* Version - Event Tickets Plus 5.6.7 is only compatible with Event Tickets 5.5.8 and higher.
* Tweak - PHP version compatibility bumped to PHP 7.4
* Tweak - Version Composer updated to 2
* Tweak - Version Node updated to 18.13.0
* Tweak - Version NPM update to 8.19.3
