fix(iroh): Parse DNS answer with multiple records into a proper `NodeAddr` #12117

Job	Run time
Android Build Only (aarch64-linux-android)	1m 3s
cargo deny	29s
Android Build Only (armv7-linux-androideabi)	1m 8s
Checking docs	1m 47s
Checking fmt	33s
check_semver	3m 38s
clippy_check	2m 6s
codespell	4s
Cross Build Only (x86_64-unknown-freebsd)	43s
Cross Test (i686-unknown-linux-gnu)	1m 54s
Minimal Supported Rust Version	1m 54s
Build wasm32	38s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	2m 10s
CI Test Suite / Tests (ubuntu-latest, stable, all)	1m 42s
netsim-integration-tests / Netsim	5m 49s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	2m 7s
CI Test Suite / Tests (ubuntu-latest, stable, none)	1m 46s
CI Test Suite / Tests (ubuntu-latest, stable, default)	1m 38s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	2m 8s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	2m 1s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	1m 45s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	1m 47s
	38m 50s

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