Update dep @artsy/palette from 5.1.16 to v6 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
@artsy/palette	dependencies	major	5.1.16 -> 6.0.0

See full list of changes here.

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Release Notes

artsy/palette

### [`v6.0.0`](https://togithub.com/artsy/palette/blob/master/CHANGELOG.md#v600-Tue-Feb-11-2020) [Compare Source](https://togithub.com/artsy/palette/compare/v5.1.16...v6.0.0) ##### 💥 Breaking Change - `@artsy/palette` - [@​zephraph](https://togithub.com/zephraph) => [Package] Update styled-components to v5 [#​630](https://togithub.com/artsy/palette/pull/630) ([@​mzikherman](https://togithub.com/mzikherman)) ##### 🏠 Internal - Deploy docs to s3 on master build [#​631](https://togithub.com/artsy/palette/pull/631) ([@​zephraph](https://togithub.com/zephraph)) - [Docs] Add gatsby-plugin-s3 for deploying app to S3 bucket [#​629](https://togithub.com/artsy/palette/pull/629) ([@​mzikherman](https://togithub.com/mzikherman)) ##### Authors: 2 - Matt Zikherman ([@​mzikherman](https://togithub.com/mzikherman)) - Justin Bennett ([@​zephraph](https://togithub.com/zephraph)) * * *

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