Fixed a case where a successful avs result wouldn't deserialize properly.

Author: dusda

src/Rentler.SmartyStreets/SmartyStreetsAddress.cs

@@ -72,7 +72,7 @@ public class Metadata
 		public double longitude { get; set; }
 		public string precision { get; set; }
 		public string time_zone { get; set; }
-		public int utc_offset { get; set; }
+		public string utc_offset { get; set; }
 		public bool dst { get; set; }
 	}
 

src/Rentler.SmartyStreets/SmartyStreetsClient.cs

@@ -69,11 +69,9 @@ public async Task<IEnumerable<SmartyStreetsAddress>> GetStreetAddress(
 
 			var url = client.CreateAddress("street-address", args);
 			var response = await client.Post(url);
-			var obj = JsonSerializer.DeserializeFromStream<SmartyStreetsAddress[]>(response)
-						??
-					  new SmartyStreetsAddress[] { };
-
-			return obj;
+			return JsonSerializer.DeserializeFromStream<SmartyStreetsAddress[]>(response) 
+				??
+				new SmartyStreetsAddress[0];
 		}
 
 		/// <summary>