Bump json from 2.15.2 to 2.16.0 in /builder

[dependabot]

Bumps json from 2.15.2 to 2.16.0.

Release notes

Sourced from json's releases.

v2.16.0

What's Changed

• Deprecate JSON::State#[] and JSON::State#[]=. Consider using JSON::Coder instead.
• JSON::Coder now also yields to the block when encountering strings with invalid encoding.
• Fix GeneratorError messages to be UTF-8 encoded.
• Fix memory leak when Exception is raised, or throw is used during JSON generation.
• Optimized floating point number parsing by integrating the ryu algorithm (thanks to Josef Šimánek).
• Optimized numbers parsing using SWAR (thanks to Scott Myron).
• Optimized parsing of pretty printed documents using SWAR (thanks to Scott Myron).

Full Changelog: ruby/json@v2.15.2...v2.16.0

Changelog

Sourced from json's changelog.

2025-11-07 (2.16.0)

• Deprecate JSON::State#[] and JSON::State#[]=. Consider using JSON::Coder instead.
• JSON::Coder now also yields to the block when encountering strings with invalid encoding.
• Fix GeneratorError messages to be UTF-8 encoded.
• Fix memory leak when Exception is raised, or throw is used during JSON generation.
• Optimized floating point number parsing by integrating the ryu algorithm (thanks to Josef Šimánek).
• Optimized numbers parsing using SWAR (thanks to Scott Myron).
• Optimized parsing of pretty printed documents using SWAR (thanks to Scott Myron).

Commits

• 5a12067 Release 2.16.0
• e9fbc89 Deprecate JSON::State#[] and JSON::State#[]=
• 826cb2a Get rid of JSON.deep_const_get (private API)
• fce1c7e Tentative fix for RHEL8 compiler
• a67d1a1 Micro-optimize rstring_cache_fetch
• ddad00b Extract JSON_CPU_LITTLE_ENDIAN_64BITS definition
• 3bc1787 ext/json/ext/json.h: Add missing newline at end of file
• 5915103 Fix duplicate 'inline' declaration specifier
• 043880f parser.c: Always inline json_eat_whitespace
• 21284ea parser.c: use rb_str_to_interned_str over rb_funcall
• Additional commits viewable in compare view

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