Merge pull request #2825 from umerhasan17/actions

Update README build status badge

Author: jasongrout

README.md

@@ -1,7 +1,7 @@
 # ipywidgets: Interactive HTML Widgets
 
 [![Version](https://img.shields.io/pypi/v/ipywidgets.svg)](https://pypi.python.org/pypi/ipywidgets)
-[![Build Status](https://travis-ci.org/jupyter-widgets/ipywidgets.svg?branch=master)](https://travis-ci.org/jupyter-widgets/ipywidgets)
+![Build Status](https://img.shields.io/github/workflow/status/jupyter-widgets/ipywidgets/Test/master)
 [![Documentation Status](http://readthedocs.org/projects/ipywidgets/badge/?version=stable)](https://ipywidgets.readthedocs.io/)
 [![Join the chat at https://gitter.im/ipython/ipywidgets](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/jupyter-widgets/Lobby)
 [![Binder](https://mybinder.org/badge.svg)](https://mybinder.org/v2/gh/jupyter-widgets/ipywidgets/master?filepath=docs%2Fsource%2Fexamples)