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

========

https://hg.mozilla.org/integration/gaia-central/rev/312e4c563d6b
Author: Arthur Chen <crh0716@gmail.com>
Desc: Merge pull request #26129 from crh0716/1098684

Bug 1098684 - Hide the AP PIN item r=eragonj

========

https://hg.mozilla.org/integration/gaia-central/rev/19ddfdd48074
Author: Arthur Chen <crh0716@gmail.com>
Desc: Bug 1098684 - Hide the AP PIN item

========

https://hg.mozilla.org/integration/gaia-central/rev/7614da5f1f70
Author: RickyChien <RickyChien@users.noreply.github.com>
Desc: Merge pull request #26098 from RickyChien/bug-1097448

Bug 1097448 - Incorrect locales result in profile/webapps r=@cctuan

========

https://hg.mozilla.org/integration/gaia-central/rev/5f53c30da080
Author: Ricky Chien <ricky060709@gmail.com>
Desc: Bug 1097448 - Incorrect locales result in profile/webapps
Bumping manifests a=b2g-bump