Update Base.props

build/Base.props

@@ -1,6 +1,6 @@
 <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
-    <VersionPrefix>2.3.999</VersionPrefix>
+    <VersionPrefix>3.0.999</VersionPrefix>
     <VersionSuffix></VersionSuffix>
     <Authors>Wiesław Šoltés</Authors>
     <Company>Wiesław Šoltés</Company>