feat(iroh-net): Implement `websocket` protocol upgrade in iroh-relay #8673

Job	Run time
Checking docs	15s
cargo deny	16s
Checking fmt	7s
check_semver	15s
clippy_check	21s
Cross Build Only (armv7-linux-androideabi)	8s
Cross Build Only (aarch64-linux-android)	10s
Cross Build Only (x86_64-unknown-freebsd)	10s
Cross Test (i686-unknown-linux-gnu)	9s
Minimal Supported Rust Version	19s
Cross Build Only (x86_64-unknown-netbsd)	8s
Run network simulations/benchmarks	8s
Build wasm32	6s
CI Test Suite / Tests (ubuntu-latest, stable, all)	12s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	31s
CI Test Suite / Tests (ubuntu-latest, stable, none)	13s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	25s
CI Test Suite / Tests (ubuntu-latest, stable, default)	12s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	32s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	15s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	11s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	15s
	5m 18s

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