Update version for release

Author: Dan Richelson

src/LaunchDarkly.Client/Properties/AssemblyInfo.cs

@@ -31,6 +31,6 @@
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyInformationalVersion("1.0.2")]
-[assembly: AssemblyVersion("1.0.2")]
-[assembly: AssemblyFileVersion("1.0.2")]
+[assembly: AssemblyInformationalVersion("1.0.3")]
+[assembly: AssemblyVersion("1.0.3")]
+[assembly: AssemblyFileVersion("1.0.3")]