Bump metrics-exporter-prometheus from 0.17.2 to 0.18.0 (#281)

Bumps [metrics-exporter-prometheus](https://github.com/metrics-rs/metrics) from 0.17.2 to 0.18.0.
- [Changelog](https://github.com/metrics-rs/metrics/blob/main/release.toml)
- [Commits](metrics-rs/metrics@metrics-exporter-prometheus-v0.17.2...metrics-exporter-prometheus-v0.18.0)

---
updated-dependencies:
- dependency-name: metrics-exporter-prometheus
  dependency-version: 0.18.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.lock

@@ -76,7 +76,7 @@ crossbeam-queue = "0.3"
 blake3 = "1.8"
 toml = "0.9.8"
 metrics-util = "0.20.0"
-metrics-exporter-prometheus = "0.17"
+metrics-exporter-prometheus = "0.18"
 opentelemetry = "0.31.0"
 opentelemetry-otlp = { version = "0.31.0", default-features = false, features = ["http-proto", "reqwest-blocking-client", "grpc-tonic"] }
 opentelemetry-semantic-conventions = "0.31"