feat(iroh-relay): Make the client side of `iroh-relay` compile & run … #12334

Job	Run time
Android Build Only (aarch64-linux-android)	1m 3s
Cross Build Only (x86_64-unknown-freebsd)	53s
Android Build Only (armv7-linux-androideabi)	1m 4s
check_semver	3m 28s
Cross Test (i686-unknown-linux-gnu)	2m 8s
Checking fmt	23s
Build wasm32	1m 16s
cargo deny	31s
Checking docs	56s
codespell	3s
clippy_check	1m 51s
Minimal Supported Rust Version	1m 3s
CI Test Suite / Tests (ubuntu-latest, stable, all)	2m 8s
CI Test Suite / Tests (ubuntu-latest, stable, none)	2m 12s
CI Test Suite / Tests (ubuntu-latest, stable, default)	2m 22s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	2m 24s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	2m 11s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	2m 10s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	2m 14s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	2m 10s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	2m 16s
netsim-integration-tests / Netsim	6m 17s
	41m 3s

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