Update module github.com/quic-go/quic-go to v0.43.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
github.com/quic-go/quic-go	v0.43.0 -> v0.43.1

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Release Notes

quic-go/quic-go (github.com/quic-go/quic-go)

### [`v0.43.1`](https://togithub.com/quic-go/quic-go/releases/tag/v0.43.1) [Compare Source](https://togithub.com/quic-go/quic-go/compare/v0.43.0...v0.43.1) This is a patch release that fixes a [regression](https://togithub.com/quic-go/quic-go/issues/4479) when calling `http3.Server.ConnContext` introduced in v0.43.0. #### Changelog - [https://github.com/quic-go/quic-go/pull/4480](https://togithub.com/quic-go/quic-go/pull/4480). **Full Changelog**: https://github.com/quic-go/quic-go/compare/v0.43.0...v0.43.1

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