feat(iroh): Make `iroh` compile to Wasm & run in browsers #12325

Job	Run time
Android Build Only (aarch64-linux-android)	1m 6s
cargo deny	30s
Android Build Only (armv7-linux-androideabi)	1m 5s
Checking docs	48s
Checking fmt	25s
clippy_check	1m 9s
check_semver	1m 45s
codespell	4s
Cross Test (i686-unknown-linux-gnu)	2m 3s
Cross Build Only (x86_64-unknown-freebsd)	43s
Minimal Supported Rust Version	57s
Build wasm32	1m 10s
netsim-integration-tests / Netsim	1m 14s
CI Test Suite / Tests (ubuntu-latest, stable, all)	22s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	1m 12s
CI Test Suite / Tests (ubuntu-latest, stable, none)	2m 56s
CI Test Suite / Tests (ubuntu-latest, stable, default)	2m 43s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	2m 12s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	31s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	2m 15s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	2m 51s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	2m 35s
	30m 36s

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