update changelog for agent

Author: joelwurtz

Cargo.toml

@@ -3,7 +3,7 @@ name = "redirectionio"
 description = "Redirection IO Library to handle matching rule, redirect and filtering headers and body."
 repository = "https://github.com/redirectionio/libredirectionio"
 license = "MIT"
-version = "3.0.0"
+version = "3.1.0"
 authors = ["Joel Wurtz <jwurtz@redirection.io>"]
 edition = "2024"
 build = "src/build.rs"