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

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https://hg.mozilla.org/integration/gaia-central/rev/0be5267c7dd1
Author: EragonJ <eragonj@eragonj.me>
Desc: Merge pull request #25164 from EragonJ/bug-1066830

Bug 1066830 - Hide theme menu if there is no certified theme app

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https://hg.mozilla.org/integration/gaia-central/rev/d11d0cdd9a8e
Author: EragonJ <eragonj@eragonj.me>
Desc: Bug 1066830 - Hide theme menu if there is no certified theme app
Bumping manifests a=b2g-bump