Update README.md

display 2.16 as the current official versoin

README.md

@@ -10,7 +10,7 @@
 
 [![Travis CI Status](https://api.travis-ci.com/meteor/meteor.svg?branch=devel)](https://app.travis-ci.com/github/meteor/meteor)
 [![CircleCI Status](https://circleci.com/gh/meteor/meteor.svg?style=svg)](https://app.circleci.com/pipelines/github/meteor/meteor?branch=devel)
-[![built with Meteor](https://img.shields.io/badge/Meteor-2.15-green?logo=meteor&logoColor=white)](https://meteor.com)
+[![built with Meteor](https://img.shields.io/badge/Meteor-2.16-green?logo=meteor&logoColor=white)](https://meteor.com)
 [![built with Meteor](https://img.shields.io/badge/Meteor-3.0_RC-yellow?logo=meteor&logoColor=white)](https://guide.meteor.com/3.0-migration)
 
 </div>