Update README.md

Author: rmkonnur

README.md

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 # Merge Ruby Library
 
-[![Gem Version](https://img.shields.io/badge/merge_ruby_client-v0.0.3-red?logo=ruby)](https://rubygems.org/gems/merge_ruby_client)
+[![Gem Version](https://img.shields.io/badge/merge_ruby_client-v1.1.0-red?logo=ruby)](https://rubygems.org/gems/merge_ruby_client)
 
 
 The Merge Ruby library provides access to the Merge API from Ruby.