chore(deps): update actions/github-script action to v9

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/github-script	action	major	v8 → v9

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Release Notes

actions/github-script (actions/github-script)

v9

Compare Source

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Configuration

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[github-actions]

📊 iai-callgrind Benchmark Results

✅ 1 Improvement(s)

| Benchmark | Base | PR | Change | % |
|-----------|------|----|---------|
| iai_algos::corner_to_corner_idastar | 194,882 | 194,327 | -555 | -0.28% |

➡️ 19 Unchanged (within ±0.1%)

Click to expand

Benchmark	Instructions
iai_algos::corner_to_corner_astar	150,136
iai_algos::corner_to_corner_bfs	2,947,648
iai_algos::corner_to_corner_bfs_bidirectional	3,881,580
iai_algos::corner_to_corner_dfs	3,592,021
iai_algos::corner_to_corner_dijkstra	3,734,617
iai_algos::corner_to_corner_fringe	216,764
iai_algos::corner_to_corner_iddfs	3,718,131
iai_algos::no_path_astar	3,348,856
iai_algos::no_path_bfs	2,756,526
iai_algos::no_path_bfs_bidirectional	3,383,731
iai_algos::no_path_dfs	3,629,686
iai_algos::no_path_dijkstra	3,691,818
iai_algos::no_path_fringe	4,417,030
iai_edmondskarp::wikipedia_example_dense	38,324
iai_edmondskarp::wikipedia_example_sparse	65,760
iai_kuhn_munkres::kuhn_munkres_size_128	4,931,772
iai_kuhn_munkres::kuhn_munkres_size_32	297,067
iai_kuhn_munkres::kuhn_munkres_size_64	1,414,957
iai_separate_components::bench_separate_components	16,551,421

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