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

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https://hg.mozilla.org/integration/gaia-central/rev/7cadb3f68c15
Author: Arthur Chen <crh0716@gmail.com>
Desc: Merge pull request #22243 from crh0716/1045480

Bug 1045480 - Fix panel transition r=eragonj

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https://hg.mozilla.org/integration/gaia-central/rev/034c6872c513
Author: Arthur Chen <crh0716@gmail.com>
Desc: Bug 1045480 - Fix panel transition

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https://hg.mozilla.org/integration/gaia-central/rev/8d6a173ec13c
Author: Andrew Sutherland <asutherland@asutherland.org>
Desc: Merge pull request #22290 from asutherland/cleanup-mancas-bug906580-try2

Bug 906580 - [email][l10n][meta] Support dynamic language changes by setting data-l10n-id and data-l10n-args on all dynamic nodes. r=asuth

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https://hg.mozilla.org/integration/gaia-central/rev/6a497a3032ab
Author: Manuel Casas Barrado <b.mcb@tid.es>
Desc: Bug 906580 - [email][l10n][meta] Support dynamic language changes by setting data-l10n-id and data-l10n-args on all dynamic nodes. r=asuth
Bumping manifests a=b2g-bump