Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/aa76ed8505bf
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Merge pull request #26326 from jmcanterafonseca/fix_del_button3

Bug 1094709 - [Flame][Contacts]Tap x in left of Name Input Box when edit...

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https://hg.mozilla.org/integration/gaia-central/rev/d7e95d5d4a3e
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Bug 1094709 - [Flame][Contacts]Tap x in left of Name Input Box when edit a contact, it will not delete the name.

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https://hg.mozilla.org/integration/gaia-central/rev/401e7e9c9c3a
Author: Chris Lord <chrislord.net@gmail.com>
Desc: Merge pull request #26331 from Cwiiis/bug1096538-thick-blue-line

Bug 1096538 - Fix collection editing regressions from app-grouping. r=kgrandon,crdlc

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https://hg.mozilla.org/integration/gaia-central/rev/9aa2e96ce7c5
Author: Chris Lord <chrislord.net@gmail.com>
Desc: Bug 1096538 - Fix collection editing regressions from app-grouping. r=kgrandon,crdlc
Bumping manifests a=b2g-bump