Bump json from 2.16.0 to 2.17.1.2 in /docs (#1111)

Bumps [json](https://github.com/ruby/json) from 2.16.0 to 2.17.1.2.
- [Release notes](https://github.com/ruby/json/releases)
- [Changelog](https://github.com/ruby/json/blob/master/CHANGES.md)
- [Commits](ruby/json@v2.16.0...v2.17.1.2)

---
updated-dependencies:
- dependency-name: json
  dependency-version: 2.17.1.2
  dependency-type: indirect
...

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

Author: dependabot[bot]

docs/Gemfile.lock

@@ -49,7 +49,7 @@ GEM
       jekyll (>= 3.8, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    json (2.16.0)
+    json (2.17.1.2)
     just-the-docs (0.10.1)
       jekyll (>= 3.8.5)
       jekyll-include-cache