deps(deps): update metrics-exporter-prometheus requirement from 0.17.2 to 0.18.0 (#15)

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

Author: dependabot[bot]

Cargo.toml

@@ -38,7 +38,7 @@ serde_yaml = "0.9"
 
 # Tracing and observability
 metrics = "0.24"
-metrics-exporter-prometheus = "0.17.2"
+metrics-exporter-prometheus = "0.18.0"
 opentelemetry = "0.31.0"
 opentelemetry-otlp = { version = "0.31.0", features = ["grpc-tonic", "trace"] }
 opentelemetry_sdk = { version = "0.31.0", features = ["rt-tokio"] }