Bump quic-go to v0.37.4 for Go 1.21 and 1.20 support

[stefanb]

Fixes #1245

Changes proposed in this pull request:

• Support for Go 1.21 and 1.20 via
• Bump quic-go to 0.37.4 https://github.com/quic-go/quic-go/releases/tag/v0.37.4 (older releases: https://github.com/quic-go/quic-go/releases)

https://github.com/Homebrew/homebrew-core/pull/134468

[CLAassistant]

All committers have signed the CLA.