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

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https://hg.mozilla.org/integration/gaia-central/rev/e1dc6aae8ae2
Author: Fernando Jiménez Moreno <ferjmoreno@gmail.com>
Desc: Merge pull request #22084 from ferjm/bug1037662.fxa.systemdialog

Bug 1037662 - Grant Firefox Accounts (FxA) access to web payment provide...

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https://hg.mozilla.org/integration/gaia-central/rev/ca3c3ee96e80
Author: Fernando Jiménez <ferjmoreno@gmail.com>
Desc: Bug 1037662 - Grant Firefox Accounts (FxA) access to web payment providers. r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/d0abe585af6a
Author: vingtetun <21@vingtetun.org>
Desc: Merge pull request #22212 from vingtetun/container-no-failures

Bug 1042744 - Add a container around app window iframe. r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/4509084a3083
Author: Vivien Nicolas <vnicolas@mozilla.com>
Desc: Bug 1042744 - Add a container around app window iframe. r=alive
Bumping manifests a=b2g-bump