uwp version updated

Author: ArunSivaR

ScheduleHeaderForWeekView/ScheduleHeader/ScheduleHeader/ScheduleHeader/ScheduleHeader.UWP/ScheduleHeader.UWP.csproj

@@ -152,7 +152,7 @@
       <Version>16.3.0.21</Version>
     </PackageReference>
     <PackageReference Include="Xamarin.Forms" Version="3.2.0.871581" />
-    <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform" Version="6.0.1" />
+    <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform" Version="6.0.6" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\ScheduleHeader\ScheduleHeader.csproj">