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

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https://hg.mozilla.org/integration/gaia-central/rev/10eb20cc1233
Author: Arnau <arnau@arnaumarch.com>
Desc: Merge pull request #16087 from rnowm/VR-contact-details

Bug 966224 - [VDR][Contacts] Apply Buttons and Input areas [BB] r=pivanov

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https://hg.mozilla.org/integration/gaia-central/rev/1cd2a85aff6e
Author: rnowm <arnau@arnaumarch.com>
Desc: Bug 966224 - [VDR][Contacts]
Bumping manifests a=b2g-bump