refactor!: update to latest iroh-metrics version, use non-global metrics collection #296

Job	Run time
Cross Build Only (x86_64-unknown-freebsd)	49s
Android Build Only (aarch64-linux-android)	1m 9s
Android Build Only (armv7-linux-androideabi)	1m 10s
cargo deny	28s
Checking fmt	43s
Checking docs	1m 12s
check_semver	2m 22s
clippy_check	1m 47s
codespell	15s
Cross Test (i686-unknown-linux-gnu)	1m 29s
Minimal Supported Rust Version	1m 52s
CI Test Suite / Tests (ubuntu-latest, stable, all)	1m 41s
CI Test Suite / Tests (ubuntu-latest, stable, none)	58s
CI Test Suite / Tests (ubuntu-latest, stable, default)	1m 23s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	2m 21s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	55s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	2m 12s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	1m 24s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	1m 30s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	2m 13s
	27m 53s

Provide feedback