chore(deps): bump Newtonsoft.Json in the main-dependencies group

Bumps the main-dependencies group with 1 update: Newtonsoft.Json.


Updates `Newtonsoft.Json` from 13.0.1 to 13.0.3

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

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

libNOM.test/libNOM.test.csproj

@@ -63,6 +63,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
   </ItemGroup>
 
   <ItemGroup>