Update version to 3.9.0

Author: Burgyn

Kros.KORM/src/Kros.KORM/Kros.KORM.csproj

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;netcoreapp2.1;net46</TargetFrameworks>
     <Company>KROS a.s.</Company>
-    <Version>3.8.0</Version>
+    <Version>3.9.0</Version>
     <Authors>KROS a.s.</Authors>
     <Title>Kros.KORM</Title>
     <Description>KORM is fast, easy to use, micro .NET Standard ORM tool. (Kros Object Relation Mapper)</Description>
@@ -69,4 +69,4 @@
       <LastGenOutput>Resources.Designer.cs</LastGenOutput>
     </EmbeddedResource>
   </ItemGroup>
-</Project>
+</Project>