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

========

https://hg.mozilla.org/integration/gaia-central/rev/23c7cbed620e
Author: Carsten Book <tomcat@mozilla.com>
Desc: Merge pull request #19688 from kamituel/Bug_1016093_unabbrev

 Bug 1016093 - Support unabbreviated URI's in NDEF URI records. r=alive

========

https://hg.mozilla.org/integration/gaia-central/rev/3726648f508b
Author: Kamil Leszczuk <kamituel@gmail.com>
Desc:  Bug 1016093: Support unabbreviated URI's in NDEF URI records
Bumping manifests a=b2g-bump