community/epiphany: upgrade to 45.0

• needs updated webkit2gtk6 (!51725 (merged))

Changelog

45.0 - September 15, 2023
=========================

 * Fix password manager JS error on certain websites (#2114)
 * Fix windows detached from tab bar not being destroyed properly (#2130)
 * Fix spinners not running properly when restoring tabs (#2143, two)
 * Fix keyboard navigation in bookmarks popover (#2145, two) 
 * Ctrl+Shift+o shortcut now toggles tab overview instead of only opening it (#2147, Matty Randazzo)
 * Fix untranslatable strings (not yet translated) (#2151)
 * Fix window restored at incorrect size (#2158, two)
 * Fix crash when closing last tab while displaying tab overview (#2161)
 * Assert shell and all windows are destroyed (#2170)
 * Fix changes to bookmarks not being saved (#2179)
 * Improve URL bar padding in mobile mode (!1373)
 * Don't force OpenURI portal to always display its user interface (!1387)
 * Updated translations