Bump Newtonsoft.Json in /nuget/helpers/lib/NuGetUpdater

Bumps [Newtonsoft.Json](https://github.com/JamesNK/Newtonsoft.Json) from 13.0.1 to 13.0.3.
- [Release notes](https://github.com/JamesNK/Newtonsoft.Json/releases)
- [Commits](JamesNK/Newtonsoft.Json@13.0.1...13.0.3)

---
updated-dependencies:
- dependency-name: Newtonsoft.Json
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

nuget/helpers/lib/NuGetUpdater/NuGetProjects/Directory.Packages.props

@@ -17,7 +17,7 @@
     <PackageVersion Include="Microsoft.Extensions.FileSystemGlobbing" Version="$(MicrosoftExtensionsFileSystemGlobbingPackageVersion)" />
     <PackageVersion Include="Microsoft.VisualStudio.Setup.Configuration.Interop" Version="3.12.2149" />
     <PackageVersion Include="Microsoft.Web.Xdt" Version="$(MicrosoftWebXdtPackageVersion)" />
-    <PackageVersion Include="Newtonsoft.Json" Version="13.0.1" />
+    <PackageVersion Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageVersion Include="NuGet.Core" Version="2.14.0-rtm-832" />
     <PackageVersion Include="System.ComponentModel.Composition" Version="7.0.0" />
     <PackageVersion Include="System.Security.Cryptography.Cng" Version="$(CryptographyPackagesVersion)" />