Update to WinUI 2.7

Author: michael-hawker

Microsoft.Toolkit.Uwp.SampleApp/Microsoft.Toolkit.Uwp.SampleApp.csproj

@@ -111,7 +111,7 @@
     </PackageReference>
     -->
     <PackageReference Include="Microsoft.UI.Xaml">
-      <Version>2.6.2</Version>
+      <Version>2.7.0</Version>
     </PackageReference>
     <PackageReference Include="Monaco.Editor">
       <Version>0.7.0-alpha</Version>

SmokeTests/SmokeTest.csproj

@@ -111,7 +111,7 @@
   <!-- Only the Layout package have a dependency on WinUI -->
   <ItemGroup Condition="$(CurrentProject) == 'UWPBaselineWinUI'  or $(CurrentProject) == 'Microsoft.Toolkit.Uwp.UI.Controls.Layout'">
     <PackageReference Include="Microsoft.UI.Xaml">
-      <Version>2.6.2</Version>
+      <Version>2.7.0</Version>
     </PackageReference>
   </ItemGroup>
   <ItemGroup Condition="'$(CurrentProject)' != '' and '$(CurrentProject)' != 'UWPBaseline' and '$(CurrentProject)' != 'UWPBaselineWinUI' and '$(NuGetPackageVersion)' != 'To Fill In With Local Version Number'">

UnitTests/UnitTests.UWP/UnitTests.UWP.csproj

@@ -129,7 +129,7 @@
       <Version>6.2.12</Version>
     </PackageReference>
     <PackageReference Include="Microsoft.UI.Xaml">
-      <Version>2.6.2</Version>
+      <Version>2.7.0</Version>
     </PackageReference>
     <PackageReference Include="MSTest.TestAdapter">
       <Version>2.2.5</Version>

build/Windows.Toolkit.UWP.Controls.targets

@@ -5,7 +5,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.UI.Xaml" Version="2.6.2" />
+    <PackageReference Include="Microsoft.UI.Xaml" Version="2.7.0" />
   </ItemGroup>
 
   <PropertyGroup>