(xorti) [ENH] Support and  test PHP 7.4
(luci) [FIX] User Mentions: notification emails were missing the path when Tiki is installed in subdirectory + url encode page names with spaces so the whole link is clickable and leads to correct page
(guill.bout) [FIX] fix redirect to undefined page in pluginbutton if data-attribute empty
(tikibot) [UPD] Update 21.x vendor_bundled dependencies