chore(deps): update rust crate pathfinding to v4.15.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
pathfinding (source)	dependencies	minor	4.14.0 → 4.15.0

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Release Notes

evenfurther/pathfinding (pathfinding)

v4.15.0

Compare Source

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• chore!: increase MSRV to 1.87.0 and switch to edition 2024
• fix: yen k=0 panic, and DfsReachable stack overflow
• fix: add missing link in documentation
• feat: add kuhn_munkres_complexity example to experimentally measure algorithm complexity
• feat: add floyd_partial and brent_partial cycle-finding functions
• feat: adapt BFS to accept multiple starts
• feat: add NodeRefs
• perf(idastar): use set for nodes encountered in path
• perf: pre-allocate some hash maps
• docs: add comprehensive graph documentation with examples
• docs(kruskal): use correct return type in function documentation
• chore: make some functions const
• chore(deps): update rust crate criterion to 0.8

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