Update README.md

Author: RobbieTheWagner

README.md

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 # Ember Inputmask
 
-[![Build Status](https://travis-ci.org/brandynbennett/ember-inputmask.svg)](https://travis-ci.org/brandynbennett/ember-inputmask)
+[![CI](https://github.com/adopted-ember-addons/ember-inputmask/actions/workflows/ci.yml/badge.svg)](https://github.com/adopted-ember-addons/ember-inputmask/actions/workflows/ci.yml)
 [![Ember Observer Score](https://emberobserver.com/badges/ember-inputmask.svg)](https://emberobserver.com/addons/ember-inputmask)
 
 Ember wrapper around