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

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https://hg.mozilla.org/integration/gaia-2_1/rev/7bdef3bdfdda
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1071349 - Guard everything.me async settings locks for mock server r=daleharvey a=testonly
Bumping manifests a=b2g-bump