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

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https://hg.mozilla.org/integration/gaia-2_1/rev/ddaf08592c3f
Author: Ghislain 'Aus' Lacroix <aus@noiseport.org>
Desc: Merge pull request #24149 from nullaus/v2.1

Merge pull request #23874 from nullaus/bug1044125 a=fabrice

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https://hg.mozilla.org/integration/gaia-2_1/rev/80fe122ba76f
Author: Ghislain 'Aus' Lacroix <aus@noiseport.org>
Desc: Merge pull request #23874 from nullaus/bug1044125

bug 1044125 - Only capture screenshot and show overlay when edge gesture...
(cherry picked from commit 1503e1f9f7846a3813c057ce95c35ac22031027f)
Bumping manifests a=b2g-bump