gsettings-desktop-schemas: update 45.0 -> 46.0

gsettings-desktop-schemas: update 45.0 -> 46.0

Major changes in 46.0
=====================
- Translation updates

Major changes in 46.rc
======================
- Make default clock format overridable by translators
- Translation updates

Major changes in 46.beta
========================
- Add key to modify XKB options
- Add key to indicate whether switches should indicate
  state with shapes
- Translation updates

Major changes in 46.alpha
=========================
- Update default background file extension to jxl
- Translation updates

Signed-off-by: Markus Volk <f_l_k@t-online.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>