feat: Add From Email to Personalization (#1102)

Co-authored-by: Elise Shanholtz <[email protected]>

Author: Stonebkfly

src/SendGrid/Helpers/Mail/Model/Personalization.cs

@@ -36,6 +36,12 @@ public class Personalization
         [JsonConverter(typeof(RemoveDuplicatesConverter<EmailAddress>))]
         public List<EmailAddress> Bccs { get; set; }
 
+        /// <summary>
+        /// Gets or sets the from email address. The domain must match the domain of the from email property specified at root level of the request body.
+        /// </summary>
+        [JsonProperty(PropertyName = "from")]
+        public EmailAddress From { get; set; }
+
         /// <summary>
         /// Gets or sets the subject line of your email.
         /// </summary>