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

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https://hg.mozilla.org/integration/gaia-central/rev/043cb94030d0
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #16029 from KevinGrandon/bug_968103_cancel_rocketbar

Bug 968103 - [Rocketbar] Cancel button launches active card r=auswerk

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https://hg.mozilla.org/integration/gaia-central/rev/2985fc64e9a8
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 968103 - [Rocketbar] Cancel button launches active card r=auswerk
Bumping manifests a=b2g-bump