chore(deps): update dependency hast-util-to-string to v3

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
hast-util-to-string (source)	^2.0.0 -> ^3.0.0

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Release Notes

rehypejs/rehype-minify (hast-util-to-string)

### [`v3.0.0`](https://togithub.com/rehypejs/rehype-minify/releases/tag/3.0.0) [Compare Source](https://togithub.com/rehypejs/rehype-minify/compare/2.0.0...3.0.0) - [`3392d64`](https://togithub.com/rehypejs/rehype-minify/commit/3392d64) Update dependencies

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