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

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https://hg.mozilla.org/integration/gaia-central/rev/9cedb5478ac6
Author: Rudy Lu <me@rudy.lu>
Desc: Merge pull request #24317 from RudyLu/keyboard/bug1050558-Bosnian_dict

Bug 1050558 - Bosnian Word suggestion.
r=timdream.

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https://hg.mozilla.org/integration/gaia-central/rev/56c846b8de50
Author: Rudy Lu <me@rudy.lu>
Desc: Bug 1050558 - Bosnian Word suggestion.
Bumping manifests a=b2g-bump