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

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https://hg.mozilla.org/integration/gaia-2_1/rev/e107967f9220
Author: Rudy Lu <me@rudy.lu>
Desc: Merge pull request #26357 from RudyLu/keyboard/Bug1094550_uplift_v2.1

Bug 1094550 - Unable to create a new account because Year of Birth … dropdown
r=alive.

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https://hg.mozilla.org/integration/gaia-2_1/rev/fda5af8cd6ed
Author: Rudy Lu <me@rudy.lu>
Desc: Bug 1094550 - Unable to create a new account because Year of Birth …
dropdown doesn't work.

 - Create a value selector overlay to listen to the event for showing
   value selector for trusted UI.
 - Let trusted UI module init its own value selector controller.

 r=alive.
Bumping manifests a=b2g-bump