fix(deps): update dependency hyper-express to ~6.8.6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
hyper-express	~6.8.5 -> ~6.8.6

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Release Notes

kartikk221/hyper-express (hyper-express)

### [`v6.8.6`](https://togithub.com/kartikk221/hyper-express/releases/tag/6.8.6) [Compare Source](https://togithub.com/kartikk221/hyper-express/compare/6.8.5...6.8.6) #### What's Changed - Optimized `Response.header()` method to now store each header value as a string on the first call and only allocate an Array when writing multiple headers of the same name. - Updated `uWebsockets.js` to `v20.32.0` **Full Changelog**: https://github.com/kartikk221/hyper-express/compare/6.8.5...6.8.6

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