chore(deps): update patch crates

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
libfuzzer-sys	dependencies	patch	0.4.12 → 0.4.13
regex	dependencies	patch	1.12.3 → 1.12.4
regex	dev-dependencies	patch	1.12.3 → 1.12.4

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Release Notes

rust-fuzz/libfuzzer (libfuzzer-sys)

v0.4.13

Compare Source

Released 2026-06-04.

Changed

• Updated docs for the fuzz_mutator! macro to link to the mutatis
  crate, which is a helpful crate when writing complex
  custom mutators.

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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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[codspeed-hq]

Merging this PR will not alter performance

✅ 12 untouched benchmarks

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_{Comparing renovate/patch-crates (fb07827) with main (cde1737)}

[coderabbitai]

📝 Walkthrough

Walkthrough

This PR updates three dependency versions across the workspace. The root Cargo.toml bumps the regex dev-dependency from 1.12.3 to 1.12.4. The napi/Cargo.toml updates regex from 1.12.3 to 1.12.4 as a production dependency. The fuzz/Cargo.toml upgrades libfuzzer-sys from 0.4.12 to 0.4.13. No code changes, features, or build configurations are modified.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main change—updating patch versions of multiple crate dependencies across the project.
Description check	✅ Passed	The description is directly related to the changeset, providing detailed information about the dependency updates including a release notes table and specific version changes.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch renovate/patch-crates

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@fuzz/Cargo.toml`:
- Line 22: The Cargo.toml entry for the dependency "libfuzzer-sys" uses a
non-published version ("0.4.13"); replace that version with a valid, published
version from crates.io (update the version string for libfuzzer-sys in
fuzz/Cargo.toml), then regenerate/update the lockfile (run cargo update -p
libfuzzer-sys or cargo update) so the resolved dependency matches the published
version. Ensure the changed version is referenced only in the libfuzzer-sys
declaration and that tests/build succeed after the update.

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Fix all unresolved CodeRabbit comments on this PR:

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ℹ️ Review info

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📥 Commits

Reviewing files that changed from the base of the PR and between cde1737 and fb07827.

⛔ Files ignored due to path filters (1)

• Cargo.lock is excluded by !**/*.lock

📒 Files selected for processing (3)

• Cargo.toml
• fuzz/Cargo.toml
• napi/Cargo.toml