package/webkitgtk: security bump to version 2.36.7

Bugfix release, with a security patch for CVE-2022-32893.
Release notes:

 https://webkitgtk.org/2022/08/07/webkitgtk2.36.6-released.html
 https://webkitgtk.org/2022/08/24/webkitgtk2.36.7-released.html

Accompanying security advisory:

  https://webkitgtk.org/security/WSA-2022-0008.html



Signed-off-by: Adrian Perez de Castro <aperez@igalia.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>