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

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https://hg.mozilla.org/integration/gaia-central/rev/3e791e32fd05
Author: Rex KM Lee <rexboy@mozilla.com>
Desc: Merge pull request #27010 from rexboy7/1114452-navigate-to-cardScrollable

Bug 1114452 - [Stingray][Home] Correct navigate order from top/bottom button to cardlist. r=johnhu

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https://hg.mozilla.org/integration/gaia-central/rev/9f9a4cdf3183
Author: Rex Lee <rexboy@mozilla.com>
Desc: Bug 1114452 - [Stingray][Home] Correct navigate order from top/bottom buttons to cardScrollable
Bumping manifests a=b2g-bump