Update SVT Version Badge README.md

Author: 1998code

README.md

@@ -2,7 +2,7 @@
 
 # SwiftGlass
 
-![Swift Version](https://img.shields.io/badge/Swift-6.1-teal.svg)
+![Swift Version](https://img.shields.io/badge/Swift-5.9/6.1-teal.svg)
 ![Build Test](https://img.shields.io/github/actions/workflow/status/1998code/swiftglass/swift.yml?branch=main&style=flat&label=Build&color=%237AE2CF)
 ![Platforms](https://img.shields.io/badge/Platforms-iOS%2015.0+%20|%20macOS%2014.0+%20|%20tvOS%2015.0+%20|%20watchOS%2010.0+%20|%20visionOS%201.0+-15437D.svg)
 ![License](https://img.shields.io/badge/License-MIT-C8ECFE.svg)