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

========

https://hg.mozilla.org/integration/gaia-central/rev/3aea52ec3a42
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Merge pull request #24000 from jmcanterafonseca/ice_warning

Bug 1062595 - No confirm window pops up to inform users that deleted num...

========

https://hg.mozilla.org/integration/gaia-central/rev/9f56359e2f47
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Bug 1062595 - No confirm window pops up to inform users that deleted numbers are removed from an ICE contact.
Bumping manifests a=b2g-bump