Update LiteDB/LiteDB.csproj

Co-authored-by: Pedro Jesus <[email protected]>

Author: JKamsker

LiteDB/LiteDB.csproj

@@ -28,7 +28,7 @@
     <SignAssembly Condition="'$(OS)'=='Windows_NT'">true</SignAssembly>
     <AssemblyOriginatorKeyFile Condition="'$(Configuration)' == 'Release'">LiteDB.snk</AssemblyOriginatorKeyFile>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <LangVersion>9.0</LangVersion>
+	<LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <!--