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

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https://hg.mozilla.org/integration/gaia-central/rev/3a48acbf4be5
Author: Miller Medeiros <miller@millermedeiros.com>
Desc: Merge pull request #21135 from millermedeiros/1031136-all-day-overlap

Bug 1031136 - [Calendar] "All day" overlaps in month view for long localizations r=gaye

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https://hg.mozilla.org/integration/gaia-central/rev/1ca1b24ef01b
Author: Miller Medeiros <miller@millermedeiros.com>
Desc: Bug 1031136 - [Calendar] "All day" overlaps in month view for long localizations
Bumping manifests a=b2g-bump