chore(deps): update dep @artsy/palette from 18.23.1 to v21

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@artsy/palette	18.23.1 -> 21.1.2

See full list of changes here.

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[renovate[bot]]

⚠ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

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• any of the package files in this branch needs updating, or
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File name: yarn.lock

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