Update Version to 3.0.3

Updated version for UserAgent

Author: mcalsada

Aeon-ArchivesSpace-Addon/Config.xml

@@ -2,7 +2,7 @@
 <Configuration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
   <Name>ArchivesSpace Interface</Name>
   <Author>Atlas Systems, Inc.</Author>
-  <Version>3.0.2</Version>
+  <Version>3.0.3</Version>
   <Active>True</Active>
   <Type>Addon</Type>
   <Description>This addon performs searches in ArchivesSpace using the staff interface. This addon supports ArchivesSpace versions v2.8.0 and later.</Description>