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

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https://hg.mozilla.org/integration/gaia-central/rev/6865fa79c92e
Author: Aleh Zasypkin <aleh.zasypkin@gmail.com>
Desc: Merge pull request #26103 from azasypkin/bug-1096330-recipient-pills

Bug 1096330 - [Messages][RTL] Correctly handle recipient pills. r=julien, arnau

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https://hg.mozilla.org/integration/gaia-central/rev/ae9e8bce0dfc
Author: Aleh Zasypkin <azasypkin@mozilla.com>
Desc: Bug 1096330 - [Messages][RTL] Correctly handle recipient pills. r=julien, arnau
Bumping manifests a=b2g-bump