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

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https://hg.mozilla.org/integration/gaia-central/rev/7c94e56b4117
Author: Miller Medeiros <miller@millermedeiros.com>
Desc: Merge pull request #21056 from millermedeiros/1030552-month-all-day-l10n

Bug 1030552 - [Calendar] "All day" on month view is not localized for All day events r=gaye

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https://hg.mozilla.org/integration/gaia-central/rev/8c60cfad5d5e
Author: Miller Medeiros <miller@millermedeiros.com>
Desc: Bug 1030552 - [Calendar] "All day" on month view is not localized for All day events

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https://hg.mozilla.org/integration/gaia-central/rev/519f7a35700e
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #21079 from KevinGrandon/bug_1030215_collection_attributes

Bug 1030215 - [Smart Collections] SC contextual menu is not localized

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https://hg.mozilla.org/integration/gaia-central/rev/7637c60ecf9e
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1030215 - [Smart Collections] SC contextual menu is not localized. r=me
Bumping manifests a=b2g-bump