docs(iroh-net): Update NodeAddr docs #8606

Job	Run time
check_semver	4m 4s
cargo deny	27s
Checking docs	1m 33s
Checking fmt	16s
Cross Build Only (armv7-linux-androideabi)	1m 2s
clippy_check	2m 47s
Cross Build Only (aarch64-linux-android)	1m 1s
Cross Test (i686-unknown-linux-gnu)	2m 49s
Cross Build Only (x86_64-unknown-freebsd)	1m 6s
Cross Build Only (x86_64-unknown-netbsd)	1m 9s
Minimal Supported Rust Version	1m 54s
Run network simulations/benchmarks	7m 34s
Build wasm32	33s
CI Test Suite / Tests (ubuntu-latest, stable, all)	3m 19s
CI Test Suite / Tests (ubuntu-latest, stable, none)	2m 53s
CI Test Suite / Tests (ubuntu-latest, stable, default)	3m 4s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	3m 52s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	3m 56s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	3m 1s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	3m 53s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	3m 40s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	3m 54s
	57m 47s

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