Update Ballerina extension version to 5.6.2 in package.json

Author: madushajg

workspaces/ballerina/ballerina-extension/package.json

@@ -2,7 +2,7 @@
     "name": "ballerina",
     "displayName": "Ballerina",
     "description": "Ballerina Language support, debugging, graphical visualization, AI-based data-mapping and many more.",
-    "version": "5.6.2-rc1",
+    "version": "5.6.1",
     "publisher": "wso2",
     "icon": "resources/images/ballerina.png",
     "homepage": "https://wso2.com/ballerina/vscode/docs",