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

========

https://hg.mozilla.org/integration/gaia-central/rev/1edee0c6a207
Author: Wilson Page <wilsonpage@me.com>
Desc: Merge pull request #22578 from wilsonpage/1024993-shared

Updated gaia-icons to v0.4.0 and made sure fonts/ are copied from

========

https://hg.mozilla.org/integration/gaia-central/rev/d07f410ebd5c
Author: Wilson Page <wilsonpage@me.com>
Desc: Updated gaia-icons to v0.4.0 and made sure fonts/ are copied from shared/elements/
Bumping manifests a=b2g-bump