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

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https://hg.mozilla.org/integration/gaia-central/rev/03a617f8c420
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Merge pull request #14067 from comoyo/bepo

Bug 929968 - [Keyboard] adding BÉPO french layout. r=janjongboom

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https://hg.mozilla.org/integration/gaia-central/rev/02619e986dff
Author: Schoewilliam <schoewilliam@gmail.com>
Desc: Bug 929968 - [Keyboard] adding BÉPO french layout