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

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https://hg.mozilla.org/integration/gaia-1_4/rev/5e834b32a30f
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #18068 from julienw/989470-v14-marketplace-package

Merge pull request #17839 from cvan/updated-mkt

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https://hg.mozilla.org/integration/gaia-1_4/rev/bceaf8b01954
Author: Julien Wajsberg <felash@gmail.com>
Desc: Merge pull request #17839 from cvan/updated-mkt

Bug 989470 - Fix MCC/MNC dual SIM detection in Marketplace app
r=julien
(cherry picked from commit 5d81c713215ee1b97996e0bedff87dcd14309eec)
Bumping manifests a=b2g-bump