Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_4/rev/7cde70e64c4c
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #17305 from jrburke/bug985093-email-malformed-share-url

Bug 985093 - [email] URI parsing in new/share compose activity using URI... r=asuth
Bumping manifests a=b2g-bump