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

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https://hg.mozilla.org/integration/gaia-central/rev/5d60b07fe90d
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #26010 from jrburke/bug1096572-building-blocks-rtl-style

Bug 1096572 - [Building Blocks] Update some RTL styles to match latest RTL spec r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/22ce8e6d96f5
Author: jrburke <jrburke@gmail.com>
Desc: Bug 1096572 - [Building Blocks] Update some RTL styles to match latest RTL spec
Bumping manifests a=b2g-bump