Increase version to 2.4.6

Author: xinchen10

src/Properties/Version.cs

@@ -25,5 +25,5 @@
 //      Revision
 //
 [assembly: AssemblyVersion("2.1.0")]
-[assembly: AssemblyFileVersion("2.4.5")]
-[assembly: AssemblyInformationalVersion("2.4.5")]
+[assembly: AssemblyFileVersion("2.4.6")]
+[assembly: AssemblyInformationalVersion("2.4.6")]