chore: release 2.2.0 for Rust language support

Author: phodal

build.gradle.kts

@@ -25,7 +25,7 @@ allprojects {
     apply(plugin = "java")
 
     group = "com.phodal.chapi"
-    version = "2.1.5"
+    version = "2.2.0"
     description =
         "Chapi is A common language meta information convertor, convert different languages to same meta-data model"