Bumping gaia.json for 1 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/3057e96cda94
Author: Ben Kelly <ben@wanderview.com>
Desc: Revert "[924764] Redesign collection header and animations [r=crdlc]"

This reverts commit 99096794d6abd0218539a91c326b5efadd300354.