Update dependency sort-keys to v5.1.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
sort-keys	5.0.0 -> 5.1.0

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Release Notes

sindresorhus/sort-keys (sort-keys)

### [`v5.1.0`](https://redirect.github.com/sindresorhus/sort-keys/releases/tag/v5.1.0) [Compare Source](https://redirect.github.com/sindresorhus/sort-keys/compare/v5.0.0...v5.1.0) - Improve performance ([#​19](https://redirect.github.com/sindresorhus/sort-keys/issues/19)) [`ed5a2ad`](https://redirect.github.com/sindresorhus/sort-keys/commit/ed5a2ad)

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