refactor(iroh): Allow to register custom protocols #8570

Job	Run time
Checking docs	1m 5s
Checking fmt	14s
check_semver	3m 37s
cargo deny	30s
clippy_check	1m 46s
Cross Test (i686-unknown-linux-gnu)	1m 58s
Cross Build Only (armv7-linux-androideabi)	1m 2s
Minimal Supported Rust Version	1m 13s
Cross Build Only (aarch64-linux-android)	1m 0s
Run network simulations/benchmarks	6m 52s
Cross Build Only (x86_64-unknown-freebsd)	1m 5s
Cross Build Only (x86_64-unknown-netbsd)	1m 9s
Build wasm32	29s
CI Test Suite / Tests (ubuntu-latest, stable, all)	2m 4s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	3m 19s
CI Test Suite / Tests (ubuntu-latest, stable, none)	2m 3s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	3m 15s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	3m 26s
CI Test Suite / Tests (ubuntu-latest, stable, default)	1m 59s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	2m 58s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	2m 57s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	2m 45s
	46m 46s

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