Update Directory.Build.props

Author: NinjaCross

Root/WebSite/Directory.Build.props

@@ -3,12 +3,12 @@
     <Import Project="$([MSBuild]::GetPathOfFileAbove('Directory.Build.props', '$(MSBuildThisFileDirectory)../'))"/>
 
     <PropertyGroup>
-        <TargetFrameworks>net5.0</TargetFrameworks>     
+        <TargetFrameworks>net6.0</TargetFrameworks>     
     </PropertyGroup>
 
     <!-- Build the JS files before building the backend -->
     <Target Name="GulpBuild" BeforeTargets="PostBuildEvent" >
         <Message Text="GULP run-eslint" Importance="high"/>
         <Exec Command="npm run eslint" />
     </Target>
-</Project>
+</Project>