Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-2_0/rev/1b59687958e4
Author: Rudy Lu <me@rudy.lu>
Desc: Merge pull request #21602 from RudyLu/keyboard/Bug1034210_commit

Bug 1034210 - send correct keycode for non-latin IME.
r=timdream.
a=2.0+
(cherry picked from commit 8a7fb294444869ddaf869a58b21588752b9ce561)
Bumping manifests a=b2g-bump