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

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https://hg.mozilla.org/integration/gaia-central/rev/3057b7d5e2cc
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #11970 from KevinGrandon/bug_913193_fix_calendar_oauth_keys

Bug 913193 - Fix Oauth keys r=lightsofapollo

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https://hg.mozilla.org/integration/gaia-central/rev/29ec879eecb7
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 913193 - Fix Oauth keys r=lightsofapollo