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

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https://hg.mozilla.org/integration/gaia-central/rev/3d5e434bcfc2
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Merge pull request #22755 from timdream/keyboard-mouse-events

Bug 1051599 - Don't handle mouse events involving life cycles from/to out of keyboard frame, r=rudyl

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https://hg.mozilla.org/integration/gaia-central/rev/685b49d935f4
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Bug 1051599 - Don't handle mouse events involving life cycles from/to out of keyboard frame
Bumping manifests a=b2g-bump