[3.18] community/epiphany: upgrade to 44.7

https://gitlab.gnome.org/GNOME/epiphany/-/compare/44.6...44.7 -> code changes lgtm

Changelog

44.7 - September 15, 2023
=========================

 * Fix password manager JS error on certain websites (#2114)
 * Fix windows detached from tab bar not being destroyed properly (#2130)
 * Fix untranslatable strings (not yet translated) (#2151)
 * Fix changes to bookmarks not being saved (#2179)
 * Don't force OpenURI portal to always display its user interface (!1387)
 * Updated translations

https://gitlab.gnome.org/GNOME/epiphany/-/blob/542c5000479cbe0bf637d37718aff4df7d3da715/NEWS