[skip ci] Use AZP badge in README.md

Author: giordano

README.md

@@ -1,6 +1,7 @@
 # BinaryBuilder
 
-[![Build Status](https://travis-ci.org/JuliaPackaging/BinaryBuilder.jl.svg?branch=master)](https://travis-ci.org/JuliaPackaging/BinaryBuilder.jl)  [![codecov.io](http://codecov.io/github/JuliaPackaging/BinaryBuilder.jl/coverage.svg?branch=master)](http://codecov.io/github/JuliaPackaging/BinaryBuilder.jl?branch=master)
+[![Build Status](https://dev.azure.com/JuliaPackaging/BinaryBuilder.jl/_apis/build/status/JuliaPackaging.BinaryBuilder.jl?branchName=master)](https://dev.azure.com/JuliaPackaging/BinaryBuilder.jl/_build/latest?definitionId=2&branchName=master)
+(http://codecov.io/github/JuliaPackaging/BinaryBuilder.jl/coverage.svg?branch=master)](http://codecov.io/github/JuliaPackaging/BinaryBuilder.jl?branch=master)
 
 [![](https://img.shields.io/badge/docs-stable-blue.svg)](https://juliapackaging.github.io/BinaryBuilder.jl/stable)
 [![](https://img.shields.io/badge/docs-latest-blue.svg)](https://juliapackaging.github.io/BinaryBuilder.jl/latest)