Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-2_0/rev/9a9597a36333
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
Bumping manifests a=b2g-bump