Update snapshot versions

Author: TharmiganK

gradle.properties

@@ -2,15 +2,15 @@ org.gradle.caching=true
 group=io.ballerina
 version=2.3.1-SNAPSHOT
 
-ballerinaToOpenAPIVersion=2.3.0
+ballerinaToOpenAPIVersion=2.3.1-SNAPSHOT
 
 spotbugsPluginVersion=6.0.18
 shadowJarPluginVersion=8.1.1
 downloadPluginVersion=5.4.0
 releasePluginVersion=2.8.0
 
 # Client Native Version
-clientNativeVersion=1.2.0
+clientNativeVersion=1.2.1-SNAPSHOT
 # Mark this as false to skip publishing the client native artifacts
 clientNativePublish=true