Bump json from 2.7.2 to 2.8.2

Bumps [json](https://github.com/ruby/json) from 2.7.2 to 2.8.2.
- [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/v2.7.2...v2.8.2)

---
updated-dependencies:
- dependency-name: json
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -40,7 +40,7 @@ GEM
     faraday-net_http (3.0.2)
     i18n (1.14.4)
       concurrent-ruby (~> 1.0)
-    json (2.7.2)
+    json (2.8.2)
     licensee (9.16.0)
       dotenv (~> 2.0)
       octokit (>= 4.20, < 7.0)