Expiring User Upgrades 2.7.0

• Require StandardLib v1.23.0+
• php 8.4+ compatibility fixes

• Fix handling of user-upgrades where the subscription price changes.
  • Appears to only affect user-upgrades sold via XF1.x legacy paypal payment provider, but may affect other 3rd party payment handlers
  • Does not fix user-upgrades which may be in a broken state. This will require manual fixup.

• Require StandardLib v1.20.0+
• XF2.3 support

• Fix "Call to undefined method XF\Mvc\Reply\Error::getParam()"

• XF2.2.15 compatibility fix.
  • Fix payment profile dropdown being blank when a user has no purchasable user upgrades but can extend their user upgrade

• Require XenForo 2.2+
• Require Standard Lib v1.18.0+
• XF2.2.15 compatibility fix.
  • Fix payment profile dropdown being blank

• Fix broken "disable emails when your upgrades/subscriptions are about to expire" link for email notifications about expiring user upgrades

• Allow optionally setting the user for expired upgrade/subscription alerts to be sent as (default guest)

• Fix "upgrade_title" replacable didn't work for email notifications of user upgrade events

• Allow 'extend' button even when a user upgrade's cost & recurring details change. Does not allow the extend button to be used if recurring flag is changed