Bump Microsoft.WindowsAppSDK from 1.1.5 to 1.4.231115000

Bumps [Microsoft.WindowsAppSDK](https://github.com/microsoft/windowsappsdk) from 1.1.5 to 1.4.231115000.
- [Release notes](https://github.com/microsoft/windowsappsdk/releases)
- [Commits](https://github.com/microsoft/windowsappsdk/commits)

---
updated-dependencies:
- dependency-name: Microsoft.WindowsAppSDK
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Miiverse-PC.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
         <OutputType>WinExe</OutputType>
         <TargetFramework>net6.0-windows10.0.22621.0</TargetFramework>
@@ -57,7 +57,7 @@
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.1.5" />
+        <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.4.231115000" />
         <PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.22621.1" />
         <Manifest Include="$(ApplicationManifest)" />
     </ItemGroup>