feat(iroh): Gossip client #8987

Job	Run time
Cross Build Only (x86_64-unknown-freebsd)	1m 12s
check_semver	4m 0s
Build wasm32	32s
Android Build Only (aarch64-linux-android)	1m 26s
Android Build Only (armv7-linux-androideabi)	1m 32s
cargo deny	27s
Checking docs	1m 14s
Checking fmt	7s
Checking typos	5s
clippy_check	2m 32s
Cross Test (i686-unknown-linux-gnu)	3m 13s
Minimal Supported Rust Version	1m 57s
Run network simulations/benchmarks	7m 35s
CI Test Suite / Tests (ubuntu-latest, stable, all)	3m 43s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	4m 11s
CI Test Suite / Tests (ubuntu-latest, stable, none)	2m 58s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	4m 9s
CI Test Suite / Tests (ubuntu-latest, stable, default)	4m 6s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	4m 13s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	4m 16s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	3m 14s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	3m 55s
	1h 0m 37s

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