chore: remove chrono dependency

Author: SSebo

Cargo.lock

@@ -1,7 +1,7 @@
 [package]
 edition = "2021"
 name = "feature-probe-server-sdk"
-version = "1.0.3"
+version = "1.0.4"
 license = "Apache-2.0"
 authors = ["[email protected]"]
 description = "FeatureProbe Server Side SDK for Rust"
@@ -27,7 +27,6 @@ event_tokio = ["feature-probe-event-tokio"]
 [dependencies]
 anyhow = "1.0"
 byteorder = "1"
-chrono = "0.4"
 dashmap = "5.1"
 headers = "0.3"
 http = "0.2"