build: changing the build to run against master

Author: jainr

README.md

@@ -2,7 +2,7 @@
 
 # DevOps For AI
 
-[![Build Status](https://teamdanielletrialcicd.visualstudio.com/MLAKSDeployAML/_apis/build/status/DevopsforAI-AML?branchName=buildpipeline)](https://teamdanielletrialcicd.visualstudio.com/MLAKSDeployAML/_build/latest?definitionId=9&branchName=buildpipeline)
+[![Build Status](https://teamdanielletrialcicd.visualstudio.com/MLAKSDeployAML/_apis/build/status/DevopsforAI-AML?branchName=master)](https://teamdanielletrialcicd.visualstudio.com/MLAKSDeployAML/_build/latest?definitionId=9&branchName=buildpipeline)
 
 [DevOps for AI template](https://azuredevopsdemogenerator.azurewebsites.net/?name=azure%20machine%20learning) will help you to understand how to build the Continuous Integration and Continuous Delivery pipeline for a ML/AI project. We will be using the Azure DevOps Project for build and release pipelines along with Azure ML services for ML/AI model management and operationalization.