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

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https://hg.mozilla.org/integration/gaia-2_1/rev/625477aef0f2
Author: Ghislain 'Aus' Lacroix <aus@noiseport.org>
Desc: Merge pull request #26307 from nullaus/v2.1

Merge pull request #26125 from nullaus/bug1077595

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https://hg.mozilla.org/integration/gaia-2_1/rev/4a741ce1c105
Author: Ghislain 'Aus' Lacroix <aus@noiseport.org>
Desc: Merge pull request #26125 from nullaus/bug1077595

Bug1077595
(cherry picked from commit 906123b6d71bcd9d8db77227ffba7269e6cbaeb9)
Bumping manifests a=b2g-bump