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

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https://hg.mozilla.org/integration/gaia-2_0/rev/2f284e462755
Author: Guilherme Goncalves <guilherme.p.gonc@gmail.com>
Desc: Merge pull request #22077 from guilherme-pg/bug1040300-audience-url

Bug 1040300 - Use the correct audience URL in Find My Device. r=gerard-majax
Conflicts:
	customization/findmydevice.json
Bumping manifests a=b2g-bump