Update dependency prettier to v2.7.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
prettier (source)	2.7.0 -> 2.7.1

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Release Notes

prettier/prettier

### [`v2.7.1`](https://togithub.com/prettier/prettier/blob/HEAD/CHANGELOG.md#​271) [Compare Source](https://togithub.com/prettier/prettier/compare/2.7.0...2.7.1) [diff](https://togithub.com/prettier/prettier/compare/2.7.0...2.7.1) ##### Keep useful empty lines in description ([#​13013](https://togithub.com/prettier/prettier/pull/13013) by [@​chimurai](https://togithub.com/chimurai)) ```graphql ```

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