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

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https://hg.mozilla.org/integration/gaia-2_0/rev/0810bb7a0b37
Author: Dave Hunt <dave.hunt@gmail.com>
Desc: Bug 1040675 - Create mozilla-b2g32_v2_0 branched versions of marionette-client and consumer packages. r=mdas
Bumping manifests a=b2g-bump