Fix broken link to Azure API Center (#57706)

Co-authored-by: Ben Ahmady <32935794+subatoi@users.noreply.github.com>

Author: vgrl

content/copilot/how-tos/administer-copilot/configure-mcp-server-access.md

@@ -197,4 +197,4 @@ For enterprises that want a dynamic and fully managed option, Azure API Center (
 > [!NOTE]
 > Azure API Center includes a free tier for basic API cataloging and discovery. Larger organizations may choose to use paid Azure API Management plans for higher scale and advanced governance.
 
-For more information, see [Azure API Center Documentation](https://docs.microsoft.com/en-us/azure/api-center/) and [Azure API Center Quickstart](https://docs.microsoft.com/en-us/azure/api-center/quickstart-create-api-center).
+For more information, see [Azure API Center Documentation](https://learn.microsoft.com/en-us/azure/api-center/) and [Azure API Center Quickstart](https://learn.microsoft.com/en-us/azure/api-center/set-up-api-center).