[Security] Bump json from 2.2.0 to 2.3.0

Bumps [json](https://github.com/flori/json) from 2.2.0 to 2.3.0. **This update includes a security fix.**
- [Release notes](https://github.com/flori/json/releases)
- [Changelog](https://github.com/flori/json/blob/master/CHANGES.md)
- [Commits](flori/json@v2.2.0...v2.3.0)

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

Gemfile.lock

@@ -143,7 +143,7 @@ GEM
     ice_nine (0.11.2)
     interception (0.5)
     jaro_winkler (1.5.3)
-    json (2.2.0)
+    json (2.3.0)
     kwalify (0.7.2)
     listen (3.2.0)
       rb-fsevent (~> 0.10, >= 0.10.3)