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

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https://hg.mozilla.org/integration/gaia-central/rev/ceb00a056c27
Author: Corey Frang <gnarf37@gmail.com>
Desc: Bug 933282 - Dead spot in alarm-item label - r=jugglinmike

- Add pointer-events: none; and overflow: hidden; to the container for the analog clock to stop the rotating second hand from having its box flow over the clickable region for the alarm edit