increased minor minor version to 3.4.0.4

Author: Dirkster99

source/Components/Xceed.Wpf.AvalonDock/AssemblyVersionInfo.cs

@@ -24,7 +24,7 @@ internal static class _XceedVersionInfo
   public const string BaseVersion = "3.4";
   [System.Diagnostics.CodeAnalysis.SuppressMessage( "Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields" )]
   public const string Version = BaseVersion + 
-".0.3";
+".0.4";
   [System.Diagnostics.CodeAnalysis.SuppressMessage( "Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields" )]
   public const string PublicKeyToken = "ba83ff368b7563c6";