chore(deps): update rust crate indexmap to v2.12.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
indexmap	dependencies	patch	2.12.0 -> 2.12.1

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Release Notes

indexmap-rs/indexmap (indexmap)

v2.12.1

Compare Source

• Simplified a lot of internals using hashbrown's new bucket API.

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Configuration

📅 Schedule: Branch creation - "before 10am on monday" in timezone Asia/Shanghai, Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.00%. Comparing base (39ca611) to head (43bb020).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #866   +/-   ##
=======================================
  Coverage   94.00%   94.00%           
=======================================
  Files          17       17           
  Lines        2987     2987           
=======================================
  Hits         2808     2808           
  Misses        179      179           

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[codspeed-hq]

CodSpeed Performance Report

Merging #866 will improve performances by 3.12%

_{Comparing renovate/rust-crates (43bb020) with main (39ca611)}

Summary

⚡ 1 improvement
✅ 10 untouched
⏩ 5 skipped¹

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
⚡	resolver_real[multi-thread]	484.8 µs	470.1 µs	+3.12%

Footnotes

1. 5 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩