Fix badge

Fix the build badge.

Author: martincostello

README.md

@@ -1,10 +1,9 @@
 # generator-aspnet-oauth
 
-[![Build status](https://github.com/aspnet-contrib/generator-aspnet-oauth/workflows/build/badge.svg?branch=dev&event=push)](https://github.com/aspnet-contrib/generator-aspnet-oauth/actions?query=workflow%3Abuild+branch%3Adev+event%3Apush)
+[![Build status](https://github.com/aspnet-contrib/generator-aspnet-oauth/actions/workflows/build.yml/badge.svg?branch=dev&event=push)](https://github.com/aspnet-contrib/generator-aspnet-oauth/actions?query=workflow%3Abuild+branch%3Adev+event%3Apush)
 
 > [Yeoman](http://yeoman.io) generator
 
-
 ## Getting Started
 
 ### What is Yeoman?