test(approvals): Add required modifier to PropertyId in test payload

Author: sliedig

Unicorn.Contracts/ContractsService.Test/ContractEventHandlerTest.cs

@@ -112,9 +112,9 @@ await mockDynamoDbClient.Received(1)
 
 public class ApiGwSqsPayload
 {
-    public string property_id { get; set; }
-    public address address { get; set; }
-    public string seller_name { get; set; }
+    public required string property_id { get; set; }
+    public required address address { get; set; }
+    public required string seller_name { get; set; }
 }
 
 public class address

Unicorn.Web/PublicationManagerService.Tests/RequestApprovalFunctionTest.cs

@@ -152,5 +152,6 @@ await eventBindingClient.Received(0)
 
 public class ApiGwSqsPayload
 {
-    public string PropertyId { get; set; }
+    public required string PropertyId { get; set; }
+    
 }