chore: update regex to 1.5.6

Author: SSebo

Cargo.lock

@@ -1,7 +1,7 @@
 [package]
 edition = "2021"
 name = "feature-probe-server-sdk"
-version = "1.0.1"
+version = "1.0.2"
 license = "Apache-2.0"
 authors = ["maintain@featureprobe.com"]
 description = "FeatureProbe Server Side SDK for Rust"
@@ -35,7 +35,7 @@ lazy_static = "1.4"
 minstant = "0.1"
 parking_lot = "0.12"
 rand = "0.8"
-regex = "0.2"
+regex = "1.5.6"
 semver = "1.0"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"