Bump version to 2.5.6

Author: tom-englert

ReleaseNotes.md

@@ -1,4 +1,8 @@
-2.5.5:
+2.5.6:
+- Fix #68: Filter gets lost if using column virtualization and filtered colum gets out of view.
+- Fix #67: Filtering multiple columns, previous filters will fail
+
+2.5.5:
 - Fix #66: DGX Should not list TomsToolbox as a dependency
 
 2.5.4:

src/Directory.Build.props

@@ -5,7 +5,7 @@
     <Company>tom-englert.de</Company>
     <Copyright>Copyright (c) .NET Foundation and Contributors.</Copyright>
     <Product>Tom's Toolbox</Product>
-    <Version>2.5.5</Version>
+    <Version>2.5.6</Version>
   </PropertyGroup>
 
   <PropertyGroup>