Bump json from 2.20.0 to 2.21.2 (#3369)

Bumps [json](https://github.com/ruby/json) from 2.20.0 to 2.21.2.
- [Release notes](https://github.com/ruby/json/releases)
- [Changelog](https://github.com/ruby/json/blob/master/CHANGES.md)
- [Commits](https://github.com/ruby/json/compare/v2.20.0...v2.21.2)

---
updated-dependencies:
- dependency-name: json
  dependency-version: 2.21.2
  dependency-type: indirect
...

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

Gemfile.lock

@@ -252,7 +252,7 @@ GEM
     jmespath (1.6.2)
     jsbundling-rails (1.3.0)
       railties (>= 6.0.0)
-    json (2.20.0)
+    json (2.21.2)
     json-schema (4.1.1)
       addressable (>= 2.8)
     jwt (3.2.0)