epiphany: upgrade 48.0 -> 48.3

epiphany: upgrade 48.0 -> 48.3

Changelog:
===========
- Fix crash when opening downloaded file
- Fix crash when opening incognito window
- Fix Crash when trying to select download location
- Fix Crash in escape_csv_field() when exporting passwords
- Fix Adding WhatsApp as a web app crashes
- Fix Pressing Escape key in addressbar resets the cursor to beginning of
  the widget
- Fix Epiphay shouldn't show the privacy dialog in incognito mode
- Fix (CVE-2025-3839) Require user interaction before opening URL in
  external application
- Fix Code cleanup
- Fix window: fix crash when force closing window without session
- Fix Several fixes for password export
- Fix Remove Granite support from Tech Preview and Canary
- Fix find-toolbar: fix crash on load-changed

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>