build(deps): bump json from 2.11.3 to 2.12.2 in /docs/v3 (#4384)

Bumps [json](https://github.com/ruby/json) from 2.11.3 to 2.12.2.
- [Release notes](https://github.com/ruby/json/releases)
- [Changelog](https://github.com/ruby/json/blob/master/CHANGES.md)
- [Commits](ruby/json@v2.11.3...v2.12.2)

---
updated-dependencies:
- dependency-name: json
  dependency-version: 2.12.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

docs/v3/Gemfile.lock

@@ -37,7 +37,7 @@ GEM
     http_parser.rb (0.8.0)
     i18n (1.6.0)
       concurrent-ruby (~> 1.0)
-    json (2.11.3)
+    json (2.12.2)
     kramdown (2.4.0)
       rexml
     libv8-node (23.6.1.0)