chore(deps): update rust crate harfrust to 0.12.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
harfrust	workspace.dependencies	minor	0.11.0 → 0.12.0

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Release Notes

harfbuzz/harfrust (harfrust)

v0.12.0

Compare Source

This release matches HarfBuzz v14.2.0,
and has an MSRV (minimum supported Rust version) of 1.85.

• Update read-fonts to 0.41.0 (#​403).
• Saturate AAT kerning position accumulation to avoid overflow (#​400).
• Regenerate the Unicode data tables with the latest packtab (#​401).
• Keep GPOS variation-index deltas fractional to match HarfBuzz, avoiding
  sub-font-unit advance and placement differences on variable fonts (#​403).
• Keep AAT trak tracking fractional to match HarfBuzz (#​404).

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Configuration

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This PR was generated by Mend Renovate. View the repository job log.

Summary by CodeRabbit

• Chores
  • Updated the text shaping component to version 0.12.0, incorporating its latest improvements and fixes.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 812ad3d7-3e00-43fd-99c8-25d3998383bd

📥 Commits

Reviewing files that changed from the base of the PR and between 46b250d and 1621d9f.

⛔ Files ignored due to path filters (1)

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

📒 Files selected for processing (1)

• Cargo.toml

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📝 Walkthrough

Walkthrough

The workspace dependency on harfrust is updated from version 0.11.0 to 0.12.0.

Changes

Dependency Update

Layer / File(s)	Summary
Update harfrust workspace dependency Cargo.toml	Changes the workspace harfrust dependency from 0.11.0 to 0.12.0.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Suggested reviewers: fredclausen

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and accurately summarizes the main change: updating the harfrust dependency to 0.12.0.
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.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch renovate/harfrust-0.x

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