feat(iroh): allow setting the logging directory via config file (#2391) #8732

Job	Run time
Cross Build Only (armv7-linux-androideabi)	1m 8s
Cross Build Only (aarch64-linux-android)	1m 2s
Cross Build Only (x86_64-unknown-freebsd)	1m 8s
Cross Test (i686-unknown-linux-gnu)	2m 33s
Cross Build Only (x86_64-unknown-netbsd)	1m 10s
check_semver	5m 7s
Build wasm32	28s
cargo deny	30s
Checking docs	1m 4s
Checking fmt	16s
clippy_check	2m 28s
Minimal Supported Rust Version	1m 22s
Run network simulations/benchmarks	1m 54s
CI Test Suite / Tests (ubuntu-latest, stable, all)	3m 32s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	3m 56s
CI Test Suite / Tests (ubuntu-latest, stable, none)	2m 8s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	3m 55s
CI Test Suite / Tests (ubuntu-latest, stable, default)	2m 12s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	4m 0s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	3m 12s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	2m 53s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	2m 51s
	48m 49s

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