Bumping gaia.json for 1 gaia-1_3 revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_3/rev/d166ed54a420
Author: Amir Nissim <amirnissim@gmail.com>
Desc: Bug 968963 - [E.me] Collection static apps names are not translated [r=ranbena]