chore(TEL-NA): update version

Author: jmtavares

package.json

@@ -7,7 +7,7 @@
     "type": "git",
     "url": "git+https://github.com/statful/statful-client-nodejs.git"
   },
-  "version": "6.1.0",
+  "version": "6.1.1",
   "engines": {
     "node": ">=4.4.0"
   },