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

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https://hg.mozilla.org/integration/gaia-central/rev/49e07ab5f757
Author: Ran Ben Aharon <ran@everything.me>
Desc: Merge pull request #12589 from EverythingMe/911180-dedup-results

Bug 911180 - [e.me][feature] Dedup apps [r=evyatron,crdlc]

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https://hg.mozilla.org/integration/gaia-central/rev/71e7d91f236d
Author: Ran Ben Aharon <ran@ranbena.com>
Desc: Bug 911180 - [e.me][feature] Dedup apps [r=crdlc]