chore(deps): bump iroh-metrics from 0.37.0 to 0.38.0

Bumps [iroh-metrics](https://github.com/n0-computer/iroh-metrics) from 0.37.0 to 0.38.0.
- [Release notes](https://github.com/n0-computer/iroh-metrics/releases)
- [Changelog](https://github.com/n0-computer/iroh-metrics/blob/main/CHANGELOG.md)
- [Commits](n0-computer/iroh-metrics@v0.37.0...v0.38.0)

---
updated-dependencies:
- dependency-name: iroh-metrics
  dependency-version: 0.38.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -22,7 +22,7 @@ derive_more = { version = "2.0.1", features = ["debug", "display", "from", "try_
 futures-lite = "2.5"
 futures-util = "0.3.25"
 igd-next = { version = "0.16.1", features = ["aio_tokio"] }
-iroh-metrics = { version = "0.37", default-features = false }
+iroh-metrics = { version = "0.38", default-features = false }
 libc = "0.2.139"
 netwatch = { version = "0.12.0", path = "../netwatch" }
 n0-error = "0.1.2"