chore(deps): update rust crate metrics to 0.21.1

Cargo.lock

@@ -445,9 +445,9 @@ dependencies = [
 
 [[package]]
 name = "metrics"
-version = "0.21.0"
+version = "0.21.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa8ebbd1a9e57bbab77b9facae7f5136aea44c356943bf9a198f647da64285d6"
+checksum = "fde3af1a009ed76a778cb84fdef9e7dbbdf5775ae3e4cc1f434a6a307f6f76c5"
 dependencies = [
  "ahash",
  "metrics-macros",

Cargo.toml

@@ -23,6 +23,6 @@ tokio-util = { version = "0.7.8", features = ["io"] }
 futures-util = "0.3.28"
 uuid = { version = "1.3.2", features = ["v4"] }
 serde_json = "1.0.96"
-metrics = "0.21.0"
+metrics = "0.21.1"
 metrics-exporter-prometheus = "0.12.0"
 serde = { version = "1.0", features = ["derive"] }