Bumping gaia.json for 2 gaia-central revision(s)

========

https://hg.mozilla.org/integration/gaia-central/rev/5b2d2e3dec75
Author: Rudy Lu <left.lu@gmail.com>
Desc: Merge pull request #10465 from elad661/gaia-keyboard-nun-sofit

Bug #884329 - Add missing Nun Sofit to the Hebrew keyboard layout. r=rudylu

========

https://hg.mozilla.org/integration/gaia-central/rev/30f5af8dea94
Author: Elad Alfassa <elad@fedoraproject.org>
Desc: Bug #884329 - [Keyboard] Add missing Nun Sofit to the Hebrew keyboard layout

For some reason we had Vav twice and no Nun Sofit.
More information: https://en.wikipedia.org/wiki/%D7%9F#Hebrew_Nun

This fixes bug #884329