chore(deps-dev): bump json from 2.20.0 to 2.21.2 in /docs

[dependabot]

Bumps json from 2.20.0 to 2.21.2.

Release notes

Sourced from json's releases.

v2.21.2

What's Changed

• Fix a use-after-free bug in JSON::ResumableParser. [GHSA-9hj4-r449-hfvc].

Full Changelog: ruby/json@v2.21.1...v2.21.2

v2.21.0

What's Changed

• JSON.generate now accept a sort_keys option, which takes either a boolean or a block.
• Added #empty? and #partial_value? methods on JSON::ResumableParser.
• Numerous correctness and performance fixes for JSON::ResumableParser.
• Avoid triggering Ruby's float out of range warning when parsing out of range numbers.
• Declare C types with Ruby 4.1 RUBY_TYPED_THREAD_SAFE_FREE.

Full Changelog: ruby/json@v2.20.0...v2.21.0

Changelog

Sourced from json's changelog.

2026-07-31 (2.21.2)

• Fix a use-after-free bug in JSON::ResumableParser. [GHSA-9hj4-r449-hfvc][CVE-2026-71847].

2026-07-13 (2.21.1)

• Fix a compilation issue on Window and Microsoft Visual C++.

2026-07-12 (2.21.0)

• JSON.generate now accept a sort_keys option, which takes either a boolean or a block.
• Added #empty? and #partial_value? methods on JSON::ResumableParser.
• Numerous correctness and performance fixes for JSON::ResumableParser.
• Avoid triggering Ruby's float out of range warning when parsing out of range numbers.
• Declare C types with Ruby 4.1 RUBY_TYPED_THREAD_SAFE_FREE.

Commits

• 5a32e43 Release 2.21.2
• 2c332bf Also don't compute ResumableParser cursor position for warning
• 5499aa5 Improve max_nesting documentation
• 499d9bc Fix the parser benchmark bytes report
• f5fc245 Pass '-mno-outline' to the compiler (if supported) to prevent function outlin...
• fd61def Release 2.21.1
• db70b14 Rely on Ruby's HAVE_BUILTIN___BUILTIN_CLZLL
• 9be0e8e Release 2.21.0
• d1299d4 Avoid re-decoding an incomplete number on every ResumableParser chunk
• cc010c4 Fix ResumableParser losing tokens before a feed-boundary suspension
• Additional commits viewable in compare view

[james00012]

@dependabot rebase

[james00012]

LGTM