[Refactoring] Fixed compilation issue.

Client/Com/Cumulocity/Client/Converter/AlarmJsonConverter.cs

@@ -22,6 +22,7 @@ public class AlarmJsonConverter<T> : BaseJsonConverter<T> where T : Alarm
  public override T? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
  {
  var instance = (T) Activator.CreateInstance(typeToConvert);
+ var additionalObjects = new Dictionary<string, object?>();
  var instanceProperties = typeToConvert.GetTypeInfo().DeclaredProperties.ToList();
  using (var jsonDocument = JsonDocument.ParseValue(ref reader))
  {