refactor(iroh-base)!: reduce dependencies #11834

Job	Run time
Cross Build Only (x86_64-unknown-freebsd)	46s
Cross Test (i686-unknown-linux-gnu)	1m 59s
Build wasm32	32s
Android Build Only (aarch64-linux-android)	1m 4s
Android Build Only (armv7-linux-androideabi)	1m 4s
Checking fmt	39s
Checking docs	1m 3s
check_semver	2m 42s
cargo deny	29s
codespell	3s
clippy_check	1m 56s
Minimal Supported Rust Version	59s
CI Test Suite / Tests (ubuntu-latest, stable, all)	3m 6s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	2m 16s
CI Test Suite / Tests (ubuntu-latest, stable, none)	2m 54s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	2m 8s
CI Test Suite / Tests (ubuntu-latest, stable, default)	2m 56s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	2m 8s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	3m 15s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	2m 38s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	2m 56s
netsim-integration-tests / Netsim	5m 51s
	43m 24s

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