Update version in package.json

The version number of the "kubemq-js" package has been updated from 1.3.0 to 1.4.0 in accordance with the new changes and features introduced in the latest version.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "kubemq-js",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "description": "kubemq js/ts library for KubeMQ Message Broker ",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",