chore(deps): update rust crate indexmap to v2.14.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
indexmap	dependencies	patch	2.14.0 → 2.14.1

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Release Notes

indexmap-rs/indexmap (indexmap)

v2.14.1

Compare Source

• Simplify comparisons where Equivalent isn't needed (Q = K).
• Unify index assertions for bounds checks.
• Fix (or expect) clippy lints.

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📊 iai-callgrind Benchmark Results

⚠️ 5 Regression(s) Detected

| Benchmark | Base | PR | Change | % |
|-----------|------|----|---------|
| iai_algos::corner_to_corner_iddfs | 251 | 3,717,954 | +3,717,703 | +1481156.57% |
| iai_kuhn_munkres::kuhn_munkres_size_32 | 251,668 | 258,587 | +6,919 | +2.75% |
| iai_kuhn_munkres::kuhn_munkres_size_64 | 1,208,853 | 1,228,805 | +19,952 | +1.65% |
| iai_kuhn_munkres::kuhn_munkres_size_128 | 4,145,737 | 4,179,468 | +33,731 | +0.81% |
| iai_algos::corner_to_corner_bfs_bidirectional | 3,853,720 | 3,861,801 | +8,081 | +0.21% |

✅ 4 Improvement(s)

| Benchmark | Base | PR | Change | % |
|-----------|------|----|---------|
| iai_algos::no_path_astar | 3,904,561 | 14 | -3,904,547 | -100.00% |
| iai_algos::no_path_dfs | 3,636,224 | 14 | -3,636,210 | -100.00% |
| iai_algos::corner_to_corner_astar | 154,357 | 5,124 | -149,233 | -96.68% |
| iai_algos::corner_to_corner_idastar | 110,982 | 80,719 | -30,263 | -27.27% |

➡️ 11 Unchanged (within ±0.1%)

Click to expand

Benchmark	Instructions
iai_algos::corner_to_corner_bfs	4,959
iai_algos::corner_to_corner_dfs	385
iai_algos::corner_to_corner_dijkstra	3,668,134
iai_algos::corner_to_corner_fringe	4,880
iai_algos::no_path_bfs	193
iai_algos::no_path_bfs_bidirectional	16
iai_algos::no_path_dijkstra	3,638,101
iai_algos::no_path_fringe	14
iai_edmondskarp::wikipedia_example_dense	38,258
iai_edmondskarp::wikipedia_example_sparse	65,797
iai_separate_components::bench_separate_components	16,463,121

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iai-callgrind measures instructions executed, which is deterministic and not affected by system load.