chore(deps): update rust crate regex to v1.12.4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
regex	workspace.dependencies	patch	1.12.3 → 1.12.4

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Release Notes

rust-lang/regex (regex)

v1.12.4

Compare Source

===================
This release includes a performance optimization for compilation of regexes
with very large character classes.

Improvements:

• #​1308:
  Avoid re-canonicalizing the entire interval set when pushing new class ranges.

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Configuration

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.18%. Comparing base (5122acc) to head (6225319).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #461   +/-   ##
=======================================
  Coverage   82.18%   82.18%           
=======================================
  Files          13       13           
  Lines        5551     5551           
  Branches      312      312           
=======================================
  Hits         4562     4562           
  Misses        986      986           
  Partials        3        3           

Flag	Coverage Δ
macos_latest	82.86% <ø> (ø)
ubuntu_latest	82.97% <ø> (ø)
windows_latest	0.00% <ø> (ø)

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[codspeed-hq]

Merging this PR will degrade performance by 4.51%

⚠️ Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.

Open the report in CodSpeed to investigate

⚡ 1 improved benchmark
❌ 1 regressed benchmark
✅ 9 untouched benchmarks

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
❌	number_fix	505.9 ms	586.5 ms	-13.75%
⚡	access_log_subst	1.2 s	1.1 s	+5.72%

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.

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_{Comparing renovate/regex-1.x-lockfile (6225319) with main (5122acc)}