Bumping gaia.json for 2 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/ec7c59e056f3
Author: Andrew Sutherland <asutherland@asutherland.org>
Desc: Merge pull request #11837 from asutherland/email-regex-fix

Bug 910153 - [Email] email address in a plain message body is broken, when multiple sub domains present. r=mcav, r=psingapati

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https://hg.mozilla.org/integration/gaia-central/rev/22262399a41c
Author: Andrew Sutherland <asutherland@asutherland.org>
Desc: Bug 910153 - [Email] email address in a plain message body is broken, when multiple sub domains present. r=mcav, r=psingapati

land https://github.com/mozilla-b2g/gaia-email-libs-and-more/pull/243