feat(iroh-net): Implement `websocket` protocol upgrade in iroh-relay #8804

Job	Run time
Cross Test (i686-unknown-linux-gnu)	2m 57s
Cross Build Only (armv7-linux-androideabi)	1m 2s
check_semver	4m 26s
Build wasm32	29s
Cross Build Only (aarch64-linux-android)	1m 2s
Cross Build Only (x86_64-unknown-freebsd)	1m 12s
Cross Build Only (x86_64-unknown-netbsd)	1m 8s
cargo deny	30s
Checking docs	1m 58s
Checking fmt	11s
Minimal Supported Rust Version	2m 3s
clippy_check	3m 36s
Run network simulations/benchmarks	7m 23s
CI Test Suite / Tests (ubuntu-latest, stable, all)	3m 52s
CI Test Suite / Tests (ubuntu-latest, stable, none)	2m 58s
CI Test Suite / Tests (ubuntu-latest, stable, default)	3m 3s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	4m 7s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	4m 7s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	3m 23s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	4m 4s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	3m 48s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	3m 57s
	1h 1m 16s

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