refactor(iroh-net): log the pkarr relay when publishing #10541

Job	Run time
Android Build Only (aarch64-linux-android)	1m 28s
cargo deny	30s
Android Build Only (armv7-linux-androideabi)	1m 20s
Checking docs	1m 45s
Checking fmt	6s
check_semver	5m 24s
clippy_check	2m 45s
codespell	5s
Cross Build Only (x86_64-unknown-freebsd)	1m 9s
Cross Test (i686-unknown-linux-gnu)	3m 51s
Docker Test	2m 13s
Minimal Supported Rust Version	1m 26s
Build wasm32	28s
netsim-integration-tests / Netsim	8m 45s
CI Test Suite / Tests (ubuntu-latest, stable, all)	4m 9s
CI Test Suite / Tests (ubuntu-latest, stable, none)	3m 24s
CI Test Suite / Tests (ubuntu-latest, stable, default)	3m 38s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	4m 56s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	4m 11s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	3m 37s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	4m 9s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	4m 21s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	4m 10s
	1h 7m 50s

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