Bump Microsoft.NETCore.UniversalWindowsPlatform from 6.0.12 to 6.2.14

Bumps [Microsoft.NETCore.UniversalWindowsPlatform](https://github.com/Microsoft/dotnet) from 6.0.12 to 6.2.14.
- [Release notes](https://github.com/Microsoft/dotnet/releases)
- [Commits](https://github.com/Microsoft/dotnet/commits)

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

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

RpnCalculator/RpnCalculator.UWP/RpnCalculator.UWP.csproj

@@ -100,7 +100,7 @@
     <UseDotNetNativeToolchain>false</UseDotNetNativeToolchain>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform" Version="6.0.12" />
+    <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform" Version="6.2.14" />
     <PackageReference Include="Xamarin.Forms" Version="4.3.0.991211" />
   </ItemGroup>
   <ItemGroup />