UpdraftPlus Premium 2.24.11.26

* SECURITY: The fix made in 1.16.65 was faulty; this release corrects it.

SECURITY: Fix a non-persistent XSS error allowing an attacker to once run JavaScript in your web browser if you clicked on a link crafted personally for your site whilst logged into it. Discovered by Cryptotipit.
TWEAK: Premium - add review link at bottom of admin

* FIX: Do not create a zip manifest file if the zip is still potentially incomplete
* TWEAK: Improve Dropbox downloading performance by reducing round-trips, by eliminating unnecessary chunking
* TWEAK: Update certificate store to current list
* TWEAK: Increase precision of previous check-in record in log