v0.8.1

What's Changed

• feat(core): reject invalid protobuf field numbers in the shared decoder by @deepso7 in #344
• refactor!: read relay and DCUtR handshakes through FrameExchange, delete SansIoProtocol by @deepso7 in #343
• Endpoint: one engine behind Endpoint and PortableEndpoint (#232) by @deepso7 in #345
• Swarm-owned shared readiness poll; drop per-transport waits and mDNS socket polling (#248) by @deepso7 in #346
• Unify component time types: one Now, absolute next_deadline, WaitDeadline by @deepso7 in #354

Full Changelog: v0.8.0...v0.8.1