Update dependency h3 to v1.6.4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
h3	1.6.2 -> 1.6.4

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Release Notes

unjs/h3

### [`v1.6.4`](https://togithub.com/unjs/h3/blob/HEAD/CHANGELOG.md#v164) [Compare Source](https://togithub.com/unjs/h3/compare/v1.6.3...v1.6.4) [compare changes](https://togithub.com/unjs/h3/compare/v1.6.3...v1.6.4) ##### 🩹 Fixes - **readRawBody:** Always return buffer without encoding ([19d133d](https://togithub.com/unjs/h3/commit/19d133d)) ##### ❤️ Contributors - Pooya Parsa ([@​pi0](http://github.com/pi0)) ### [`v1.6.3`](https://togithub.com/unjs/h3/blob/HEAD/CHANGELOG.md#v163) [Compare Source](https://togithub.com/unjs/h3/compare/v1.6.2...v1.6.3) [compare changes](https://togithub.com/unjs/h3/compare/v1.6.2...v1.6.3) ##### 🩹 Fixes - **readBody, readRawBody:** Handle raw body as buffer ([#​366](https://togithub.com/unjs/h3/pull/366)) ##### 📖 Documentation - Missing parentheses ([#​362](https://togithub.com/unjs/h3/pull/362)) ##### 🏡 Chore - Update changelog ([e199df3](https://togithub.com/unjs/h3/commit/e199df3)) ##### ❤️ Contributors - Johann Schopplich ([@​johannschopplich](http://github.com/johannschopplich)) - Roger! - Pooya Parsa ([@​pi0](http://github.com/pi0))

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