chore: upgrade 0.28 iroh-router #21

Job	Run time
cargo deny	1m 20s
Checking docs	4m 33s
Android Build Only (aarch64-linux-android)	3m 37s
Checking fmt	18s
Android Build Only (armv7-linux-androideabi)	2m 28s
check_semver	1m 38s
clippy_check	1m 45s
codespell	3m 42s
Cross Build Only (x86_64-unknown-freebsd)	39s
Cross Test (i686-unknown-linux-gnu)	54s
Minimal Supported Rust Version	1m 36s
CI Test Suite / Tests (ubuntu-latest, stable, all)	2m 3s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	1m 36s
CI Test Suite / Tests (ubuntu-latest, stable, none)	1m 2s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	1m 6s
CI Test Suite / Tests (ubuntu-latest, stable, default)	1m 49s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	2m 18s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	3m 30s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	2m 29s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	54s
	39m 17s

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