⚡ Improved performance by switching to phmap in more places

[marcelwa]

No description provided.

[codecov]

Codecov Report

Merging #118 (0abdb00) into main (ad4b971) will not change coverage.
The diff coverage is 100.00%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #118   +/-   ##
=======================================
  Coverage   93.84%   93.84%           
=======================================
  Files          75       75           
  Lines        6933     6933           
=======================================
  Hits         6506     6506           
  Misses        427      427           

Impacted Files	Coverage Δ
...orithms/graph/generate_edge_intersection_graph.hpp	97.33% <ø> (ø)
...on/algorithms/path_finding/enumerate_all_paths.hpp	97.72% <ø> (ø)
...ction/algorithms/path_finding/k_shortest_paths.hpp	100.00% <100.00%> (ø)

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[github-actions]

clang-tidy review says "All clean, LGTM! 👍"