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

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https://hg.mozilla.org/integration/gaia-2_1/rev/1e5e149934e3
Author: Arthur Chen <crh0716@gmail.com>
Desc: Merge pull request #23563 from crh0716/revert_embed_bt

Bug 1061437 - Revert the patches of embedding BT app in settings app r=eragonj, iliu
Bumping manifests a=b2g-bump