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

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https://hg.mozilla.org/integration/gaia-central/rev/dfe848ea801e
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #22281 from jrburke/bug1045922-email-quick-tap

Bug 1045922 - [email] quick tap on message in list after first load sometimes does not work r=mcav

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https://hg.mozilla.org/integration/gaia-central/rev/00950e452b9f
Author: jrburke <jrburke@gmail.com>
Desc: Bug 1045922 - [email] quick tap on message in list after first load sometimes does not work
Bumping manifests a=b2g-bump