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

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https://hg.mozilla.org/integration/gaia-central/rev/60eb32b54f74
Author: Min-Zhong "John" Lu <jlu@mozilla.com>
Desc: Merge pull request #24364 from mnjul/bug_1070883_simpin_not_skipping

Bug 1070883 - In SimPin Dialog, use touchend event instead of click event to handle skip/OK clicks. r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/47e89566c7f6
Author: John Lu [:mnjul] <jlu@mozilla.com>
Desc: Bug 1070883 - In SimPin Dialog, use touchend event instead of click event to handle skip/OK clicks.

This changes the old, buggy flow: [user touches skip button -> input focus blurred -> keyboard hidden -> simpin dialog resized -> "skip" button repositioned -> click on the skip button would not be trigerred] to [user touches skip button -> input focus blurred -> keyboard hidden -> simpin dialog resized -> "skip" button repositioned -> touch end would still be trigerred on skip button], thus fixes the bug.
Bumping manifests a=b2g-bump