Fix ExternalAccountUpdateOptions (#1806)

src/Stripe.net/Services/ExternalAccounts/ExternalAccountUpdateOptions.cs

@@ -5,13 +5,60 @@ namespace Stripe
 
     public class ExternalAccountUpdateOptions : BaseOptions, IHasMetadata
     {
-        [JsonProperty("metadata")]
-        public Dictionary<string, string> Metadata { get; set; }
+        /// <summary>The name of the person or business that owns the bank account.</summary>
+        [JsonProperty("account_holder_name")]
+        public string AccountHolderName { get; set; }
+
+        /// <summary>
+        /// The type of entity that holds the account. This can be either <c>individual</c> or
+        /// <c>>company</c>.
+        /// </summary>
+        [JsonProperty("account_holder_type")]
+        public string AccountHolderType { get; set; }
+
+        /// <summary>City/District/Suburb/Town/Village.</summary>
+        [JsonProperty("address_city")]
+        public string AddressCity { get; set; }
+
+        /// <summary>Billing address country, if provided when creating card.</summary>
+        [JsonProperty("address_country")]
+        public string AddressCountry { get; set; }
+
+        /// <summary>Address line 1 (Street address/PO Box/Company name).</summary>
+        [JsonProperty("address_line1")]
+        public string AddressLine1 { get; set; }
+
+        /// <summary>Address line 2 (Apartment/Suite/Unit/Building).</summary>
+        [JsonProperty("address_line2")]
+        public string AddressLine2 { get; set; }
 
+        /// <summary>State/County/Province/Region.</summary>
+        [JsonProperty("address_state")]
+        public string AddressState { get; set; }
+
+        /// <summary>ZIP or postal code.</summary>
+        [JsonProperty("address_zip")]
+        public string AddressZip { get; set; }
+
+        /// <summary>
+        /// When set to true, this becomes the default external account for its currency.
+        /// </summary>
         [JsonProperty("default_for_currency")]
         public bool? DefaultForCurrency { get; set; }
 
-        [JsonProperty("external_account")]
-        public ExternalAccountCardUpdateOptions ExternalAccountCard { get; set; }
+        /// <summary>Two digit number representing the card’s expiration month.</summary>
+        [JsonProperty("exp_month")]
+        public long? ExpMonth { get; set; }
+
+        /// <summary>Four digit number representing the card’s expiration year.</summary>
+        [JsonProperty("exp_year")]
+        public long? ExpYear { get; set; }
+
+        [JsonProperty("metadata")]
+        public Dictionary<string, string> Metadata { get; set; }
+
+        /// <summary>Cardholder name.</summary>
+        [JsonProperty("name")]
+        public string Name { get; set; }
     }
 }

src/StripeTests/Services/ExternalAccounts/ExternalAccountServiceTest.cs

@@ -36,6 +36,7 @@ public ExternalAccountServiceTest(
                 {
                     { "key", "value" },
                 },
+                Name = "Jenny Rosen",
             };
 
             this.listOptions = new ExternalAccountListOptions