Bump Newtonsoft.Json from 12.0.3 to 13.0.1 in /CSharpRegexTools4Npp

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]

CSharpRegexTools4Npp/packages.config

@@ -2,5 +2,5 @@
 <packages>
   <package id="Costura.Fody" version="4.1.0" targetFramework="net46" developmentDependency="true" />
   <package id="Fody" version="6.3.0" targetFramework="net46" developmentDependency="true" />
-  <package id="Newtonsoft.Json" version="12.0.3" targetFramework="net47" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net47" />
 </packages>