Update README

Update badge of Grace to current version

Update support versions

README.md

@@ -6,7 +6,7 @@
 [![Grace on X](https://img.shields.io/twitter/follow/graceframework?style=social)](https://twitter.com/graceframework)
 
 [![Groovy Version](https://img.shields.io/badge/Groovy-3.0.23-blue?style=flat&color=4298b8)](https://groovy-lang.org/releasenotes/groovy-4.0.html)
-[![Grace Version](https://img.shields.io/badge/Grace-2023.1.0-blue?style=flat&color=f49b06)](https://github.com/graceframework/grace-framework/releases/tag/v2023.1.0)
+[![Grace Version](https://img.shields.io/badge/Grace-2023.2.0-blue?style=flat&color=f49b06)](https://github.com/graceframework/grace-framework/releases/tag/v2023.2.0-M1)
 [![Spring Boot Version](https://img.shields.io/badge/Spring_Boot-3.1.12-blue?style=flat&color=6db33f)](https://github.com/spring-projects/spring-boot/releases)
 
 > [!IMPORTANT]
@@ -93,6 +93,7 @@ To make it easier for users to use and upgrade, Plugin adopts a version policy c
 
 | Plugin Version | Grace Version |
 |----------------|---------------|
+| 6.2.x          | 2023.2.x      |
 | 6.1.x          | 2023.1.x      |
 | 6.0.x          | 2023.0.x      |
 | 5.2.x          | 2022.2.x      |