Bump json from 2.18.1 to 2.19.2

Bumps [json](https://github.com/ruby/json) from 2.18.1 to 2.19.2.
- [Release notes](https://github.com/ruby/json/releases)
- [Changelog](https://github.com/ruby/json/blob/master/CHANGES.md)
- [Commits](ruby/json@v2.18.1...v2.19.2)

---
updated-dependencies:
- dependency-name: json
  dependency-version: 2.19.2
  dependency-type: indirect
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -133,7 +133,7 @@ GEM
       pp (>= 0.6.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
-    json (2.18.1)
+    json (2.19.2)
     kaminari-core (1.2.2)
     kaminari-grape (1.0.1)
       grape