feat(iroh): publish and resolve user-defined data in discovery #12469

Job	Run time
Cross Build Only (x86_64-unknown-freebsd)	44s
Android Build Only (aarch64-linux-android)	1m 5s
Cross Test (i686-unknown-linux-gnu)	2m 6s
Android Build Only (armv7-linux-androideabi)	1m 5s
Build wasm32	1m 16s
check_semver	3m 5s
Checking docs	1m 34s
Checking fmt	18s
cargo deny	27s
codespell	8s
Minimal Supported Rust Version	1m 45s
clippy_check	1m 58s
CI Test Suite / Tests (ubuntu-latest, stable, all)	2m 54s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	2m 33s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	2m 25s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	2m 29s
CI Test Suite / Tests (ubuntu-latest, stable, none)	2m 42s
CI Test Suite / Tests (ubuntu-latest, stable, default)	2m 45s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	3m 34s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	2m 57s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	3m 11s
netsim-integration-tests / Netsim	6m 28s
	47m 29s

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