chore(deps): bump Microsoft.Windows.SDK.BuildTools

Bumps Microsoft.Windows.SDK.BuildTools from 10.0.22000.196 to 10.0.22621.756.

---
updated-dependencies:
- dependency-name: Microsoft.Windows.SDK.BuildTools
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

src/TestApp/winui/Uno.UI.RuntimeTests.Engine.Windows/Uno.UI.RuntimeTests.Engine.Windows.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 	<PropertyGroup>
 		<OutputType>WinExe</OutputType>
 		<TargetFramework>net6.0-windows10.0.19041.0</TargetFramework>
@@ -25,7 +25,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="Microsoft.WindowsAppSDK" Version="1.1.3" />
-		<PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.22000.196" />
+		<PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.22621.756" />
 		<PackageReference Include="Microsoft.Extensions.Logging.Console" Version="6.0.0" />
 		<PackageReference Include="Uno.Core.Extensions.Logging.Singleton" Version="4.0.1" />