v1.5.1

What's Changed

• Bump github.com/quic-go/quic-go from 0.48.1 to 0.48.2 by @dependabot in #1228
• Add the framework and mocks for testing udp_proxy.go by @AaronH88 in #1209
• Make new workunit backward compatible by @matoval in #1232

Full Changelog: v1.5.0...v1.5.1