Bump Newtonsoft.Json from 12.0.2 to 13.0.1 in /examples/VkNet.Wpf (#1239

)

Bumps [Newtonsoft.Json](https://github.com/JamesNK/Newtonsoft.Json) from 12.0.2 to 13.0.1.
- [Release notes](https://github.com/JamesNK/Newtonsoft.Json/releases)
- [Commits](JamesNK/Newtonsoft.Json@12.0.2...13.0.1)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

examples/VkNet.Wpf/packages.config

@@ -36,7 +36,7 @@
   <package id="NetFx.Extensions.Options" version="2.1.1" targetFramework="net45" />
   <package id="NetFx.Extensions.Primitives" version="2.1.1" targetFramework="net461" />
   <package id="NETStandard.Library" version="1.6.1" targetFramework="net461" />
-  <package id="Newtonsoft.Json" version="12.0.2" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net461" />
   <package id="NLog" version="4.5.11" targetFramework="net461" />
   <package id="System.AppContext" version="4.3.0" targetFramework="net461" />
   <package id="System.Buffers" version="4.4.0" targetFramework="net461" />