Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-2_1/rev/269f6f7fbe7d
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #25790 from jrburke/bug1093393-v2.1-email-display-name-setup

Bug 1093393 - v2.1 [email] : Your Name not saved if email setup goes to password card r=asuth a=fabrice

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https://hg.mozilla.org/integration/gaia-2_1/rev/c255fbcccf2d
Author: jrburke <jrburke@gmail.com>
Desc: Bug 1093393 - v2.1 [email] : Your Name not saved if email setup goes to password card
Bumping manifests a=b2g-bump