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

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https://hg.mozilla.org/integration/gaia-central/rev/30eb00123212
Author: Amir Nissim <amirnissim@gmail.com>
Desc: Merge pull request #12590 from EverythingMe/922726-nameless-collections

Bug 922726 - [e.me] [bug] Saving a search as Collection results in n...

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https://hg.mozilla.org/integration/gaia-central/rev/ee536fd09fca
Author: Amir Nissim <amirn@everything.me>
Desc: Bug 922726 - [e.me] [bug] Saving a search as Collection results in name-less collection [r=ranbena]