fixed click to deploy link on basic agent setup

Author: Robert Rita

samples/microsoft/infrastructure-setup/40-basic-agent-setup/README.md

@@ -16,7 +16,7 @@ All agents created in this project will automatically use Microsoft managed, mul
 
 1. To deploy this template, click the "Deploy to Azure" button or you can run one of the following commands:
 
-[![Deploy To Azure](https://raw.githubusercontent.com/Azure/azure-quickstart-templates/master/1-CONTRIBUTION-GUIDE/images/deploytoazure.svg?sanitize=true)](https://portal.azure.com/#create/Microsoft.Template/uri/https%3A%2F%2Fraw.githubusercontent.com%2Fazure-ai-foundry%2Ffoundry-samples%2Frefs%2Fheads%2Fmain%2Fsamples%2Fmicrosoft%2Finfrastructure-setup%2F40-basic-agent-setup%2Fbasic-setup.json)
+[![Deploy To Azure](https://raw.githubusercontent.com/Azure/azure-quickstart-templates/master/1-CONTRIBUTION-GUIDE/images/deploytoazure.svg?sanitize=true)](https://portal.azure.com/#create/Microsoft.Template/uri/https%3A%2F%2Fraw.githubusercontent.com%2Fazure-ai-foundry%2Ffoundry-samples%2Fbddd7e1b0d20c62ad4f8a0fafa4dda59eeccd154%2Fsamples%2Fmicrosoft%2Finfrastructure-setup%2F40-basic-agent-setup%2Fbasic-setup.json)
 
 
 * Create new (or use existing) resource group: