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

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https://hg.mozilla.org/integration/gaia-central/rev/86c1b1d51b5b
Author: Miller Medeiros <miller@millermedeiros.com>
Desc: Merge pull request #25041 from millermedeiros/1074772-yahoo-recurring-all-day

Bug 1074772 - [Calendar] recurring all day events are not displayed for Yahoo accounts r=gaye

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https://hg.mozilla.org/integration/gaia-central/rev/3bf146f14188
Author: Miller Medeiros <miller@millermedeiros.com>
Desc: Bug 1074772 - [Calendar] recurring all day events are not displayed for Yahoo accounts
Bumping manifests a=b2g-bump