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

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https://hg.mozilla.org/integration/gaia-central/rev/e2a7e92cf9e8
Author: Julien Wajsberg <felash@gmail.com>
Desc: Merge pull request #24145 from julienw/1061417-properly-discard-draft

Bug 1061417 - [SMS] We don't properly discard the draft in some occasion...+shepherd

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https://hg.mozilla.org/integration/gaia-central/rev/36180d4b5fa0
Author: Julien Wajsberg <felash@gmail.com>
Desc: Bug 1061417 - [SMS] We don't properly discard the draft in some occasions r=azasypkin
Bumping manifests a=b2g-bump