Bump Newtonsoft.Json in /CodingSeb.ExpressionEvaluator.Tests

Bumps [Newtonsoft.Json](https://github.com/JamesNK/Newtonsoft.Json) from 12.0.3 to 13.0.1.
- [Release notes](https://github.com/JamesNK/Newtonsoft.Json/releases)
- [Commits](JamesNK/Newtonsoft.Json@12.0.3...13.0.1)

---
updated-dependencies:
- dependency-name: Newtonsoft.Json
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

CodingSeb.ExpressionEvaluator.Tests/CodingSeb.ExpressionEvaluator.Tests.csproj

@@ -8,7 +8,7 @@
     <UserSecretsId>c4ac27fa-8b9c-4784-a284-7a9a06320537</UserSecretsId>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="NUnit" Version="3.13.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.17.0">
       <PrivateAssets>all</PrivateAssets>