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

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https://hg.mozilla.org/integration/gaia-central/rev/e7358d464390
Author: Eitan Isaacson <eitan@monotonous.org>
Desc: Merge pull request #21712 from eeejay/bug-1030340

Bug 1030340 - Make add image button and section accessible. r=sergi

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https://hg.mozilla.org/integration/gaia-central/rev/65a9df24955e
Author: Eitan Isaacson <eitan@monotonous.org>
Desc: Bug 1030340 - Make add image button and section accessible.
Bumping manifests a=b2g-bump