Updating maxDepth in Newtonsoft default settings (#8543)

* Updating maxDepth in Newtonsoft default settings

* Adding MaxDepth value

* Removing unused import

Author: surgupta-msft

src/WebJobs.Script.WebHost/Program.cs

@@ -14,6 +14,7 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
 using DataProtectionConstants = Microsoft.Azure.Web.DataProtection.Constants;
 
 namespace Microsoft.Azure.WebJobs.Script.WebHost
@@ -102,6 +103,8 @@ private static void InitializeProcess()
                 SystemEnvironment.Instance.SetEnvironmentVariable(DataProtectionConstants.AzureWebsiteEnvironmentMachineKey, authEncryptionKey);
             }
 
+            JsonConvert.DefaultSettings = () => new JsonSerializerSettings { MaxDepth = 128 };
+
             ConfigureMinimumThreads(SystemEnvironment.Instance);
         }