chore: bump version to 3.1.4 and update dependencies

Update regex to 1.12.2 and bump patch version. This update includes
minor dependency updates for cc, libc, generic-array, and related
regex crates (regex-automata, regex-syntax).

Author: shankar-gpio

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "swift-mt-message"
-version = "3.1.3"
+version = "3.1.4"
 edition = "2024"
 exclude = [".DS_Store", "/target", ".vscode", ".github"]
 authors = ["Plasmatic Engineering <shankar@goplasmatic.io>"]
@@ -21,7 +21,7 @@ chrono = { version = "0.4", features = ["serde"] }
 
 # Error handling and utilities
 thiserror = "1.0"
-regex = "1.11"
+regex = "1.12"
 once_cell = "1.21"
 
 # Data validation and workflow