epiphany: Update 40.3 -> 40.6

epiphany: Update 40.3 -> 40.6

40.4 Changelogs:
Fix crash when clearing all passwords (#1570)
Fix security indicator disappearing after entering reader mode (#1580)
Fix crash opening PDFs not loaded via HTTP (#1611)
Fix CVE-2021-45085, CVE-2021-45086, CVE-2021-45087, CVE-2021-45088 (#1612)
Fix web applications with non-Latin characters (#1626, #1627)
Disable captive portal helper in Pantheon desktop (!1006, Cassidy James Blaede)
Somewhat improve password manager robustness (!1014)

40.5 Changelogs:
Fix reader mode (!1047)

40.6 Changelogs:
Fix Reload buttons on error pages (!1050)
Fix delete button in about:applications (!1050)

CVE: CVE-2021-45085 CVE-2021-45086 CVE-2021-45087 CVE-2021-45088

Signed-off-by: Khairul Rohaizzat Jamaluddin <khairul.rohaizzat.jamaluddin@intel.com>
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>