Update TFM overrides

Author: Arlodotexe

components/Notifications/src/CommunityToolkit.Notifications.csproj

@@ -15,7 +15,7 @@
     <Nullable>disable</Nullable>
     <HasWinUI>false</HasWinUI>
 
-    <UwpTargetFramework Condition="'$(UwpTargetFramework)' == ''">uap10.0.17763;net8.0-windows10.0.17763.0;</UwpTargetFramework>
+    <UwpTargetFrameworks>uap10.0.17763;net8.0-windows10.0.17763.0;</UwpTargetFrameworks>
   </PropertyGroup>
 
   <!-- Sets this up as a toolkit component's source project -->

components/RivePlayer/samples/RivePlayer.Samples.csproj

@@ -2,6 +2,7 @@
   <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.props))" Condition="Exists('$([MSBuild]::GetPathOfFileAbove(Directory.Build.props))')" />
   <PropertyGroup>
     <ToolkitComponentName>RivePlayer</ToolkitComponentName>
+    <UwpTargetFrameworks>uap10.0.17763;</UwpTargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>

components/RivePlayer/src/CommunityToolkit.Labs.WinUI.Rive.RivePlayer.csproj

@@ -7,6 +7,7 @@
     <!-- Rns suffix is required for namespaces shared across projects. See https://github.com/CommunityToolkit/Labs-Windows/issues/152 -->
     <RootNamespace>CommunityToolkit.Labs.WinUI.RivePlayerRns</RootNamespace>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <UwpTargetFrameworks>uap10.0.17763;</UwpTargetFrameworks>
   </PropertyGroup>
 
   <!-- Sets this up as a toolkit component's source project -->