Upgrade internal build dependencies for windows

src/windows/Microsoft.Toolkit.Uwp.Notifications.UWP/Microsoft.Toolkit.Uwp.Notifications.UWP.nuget.props

+<?xml version="1.0" encoding="utf-8" standalone="no"?>
+<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
+    <RestoreSuccess Condition=" '$(RestoreSuccess)' == '' ">True</RestoreSuccess>
+    <RestoreTool Condition=" '$(RestoreTool)' == '' ">NuGet</RestoreTool>
+    <ProjectAssetsFile Condition=" '$(ProjectAssetsFile)' == '' ">Z:\Documents\github\cordova-plugin-local-notifications\src\windows\Microsoft.Toolkit.Uwp.Notifications.UWP\project.lock.json</ProjectAssetsFile>
+    <NuGetPackageRoot Condition=" '$(NuGetPackageRoot)' == '' ">$(UserProfile)\.nuget\packages\</NuGetPackageRoot>
+    <NuGetPackageFolders Condition=" '$(NuGetPackageFolders)' == '' ">C:\Users\katze\.nuget\packages\</NuGetPackageFolders>
+    <NuGetProjectStyle Condition=" '$(NuGetProjectStyle)' == '' ">ProjectJson</NuGetProjectStyle>
+    <NuGetToolVersion Condition=" '$(NuGetToolVersion)' == '' ">4.4.0</NuGetToolVersion>
+  </PropertyGroup>
+  <PropertyGroup>
+    <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
+  </PropertyGroup>
+  <ImportGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
+    <Import Project="$(NuGetPackageRoot)microsoft.net.native.sharedlibrary-x86\1.7.0\build\Microsoft.Net.Native.SharedLibrary-x86.props" Condition="Exists('$(NuGetPackageRoot)microsoft.net.native.sharedlibrary-x86\1.7.0\build\Microsoft.Net.Native.SharedLibrary-x86.props')" />
+    <Import Project="$(NuGetPackageRoot)microsoft.net.native.sharedlibrary-x64\1.7.0\build\Microsoft.Net.Native.SharedLibrary-x64.props" Condition="Exists('$(NuGetPackageRoot)microsoft.net.native.sharedlibrary-x64\1.7.0\build\Microsoft.Net.Native.SharedLibrary-x64.props')" />
+    <Import Project="$(NuGetPackageRoot)microsoft.net.native.sharedlibrary-arm\1.7.0\build\Microsoft.Net.Native.SharedLibrary-arm.props" Condition="Exists('$(NuGetPackageRoot)microsoft.net.native.sharedlibrary-arm\1.7.0\build\Microsoft.Net.Native.SharedLibrary-arm.props')" />
+    <Import Project="$(NuGetPackageRoot)microsoft.net.native.compiler\1.7.1\build\Microsoft.Net.Native.Compiler.props" Condition="Exists('$(NuGetPackageRoot)microsoft.net.native.compiler\1.7.1\build\Microsoft.Net.Native.Compiler.props')" />
+  </ImportGroup>
+</Project>
\ No newline at end of file

src/windows/Microsoft.Toolkit.Uwp.Notifications.UWP/Microsoft.Toolkit.Uwp.Notifications.UWP.nuget.targets

+<?xml version="1.0" encoding="utf-8" standalone="no"?>
+<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
+  </PropertyGroup>
+  <ImportGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
+    <Import Project="$(NuGetPackageRoot)microsoft.net.native.sharedlibrary-x86\1.7.0\build\Microsoft.Net.Native.SharedLibrary-x86.targets" Condition="Exists('$(NuGetPackageRoot)microsoft.net.native.sharedlibrary-x86\1.7.0\build\Microsoft.Net.Native.SharedLibrary-x86.targets')" />
+    <Import Project="$(NuGetPackageRoot)microsoft.net.native.sharedlibrary-x64\1.7.0\build\Microsoft.Net.Native.SharedLibrary-x64.targets" Condition="Exists('$(NuGetPackageRoot)microsoft.net.native.sharedlibrary-x64\1.7.0\build\Microsoft.Net.Native.SharedLibrary-x64.targets')" />
+    <Import Project="$(NuGetPackageRoot)microsoft.net.native.sharedlibrary-arm\1.7.0\build\Microsoft.Net.Native.SharedLibrary-arm.targets" Condition="Exists('$(NuGetPackageRoot)microsoft.net.native.sharedlibrary-arm\1.7.0\build\Microsoft.Net.Native.SharedLibrary-arm.targets')" />
+    <Import Project="$(NuGetPackageRoot)microsoft.net.native.compiler\1.7.1\build\Microsoft.Net.Native.Compiler.targets" Condition="Exists('$(NuGetPackageRoot)microsoft.net.native.compiler\1.7.1\build\Microsoft.Net.Native.Compiler.targets')" />
+  </ImportGroup>
+</Project>
\ No newline at end of file

src/windows/Microsoft.Toolkit.Uwp.Notifications.UWP/project.json

 {
   "dependencies": {
-    "Microsoft.NETCore.UniversalWindowsPlatform": "5.2.3",
-    "StyleCop.Analyzers": "1.0.0"
+    "Microsoft.NETCore.UniversalWindowsPlatform": "6.0.1",
+    "StyleCop.Analyzers": "1.0.2"
   },
   "frameworks": {
-    "uap10.0": {}
+    "uap10.0.10240": {}
   },
   "runtimes": {
     "win10-arm": {},