Polypack 2.4.5

Fixed

• get_edges_by_sources/get_edges_by_targets in the Rust Store tripped
  clippy's unnecessary_map_or lint (edge_type.map_or(true, |t| ...) →
  edge_type.is_none_or(|t| ...)), which CI enforces as a hard error. No
  behavior change.

See CHANGELOG.md for details.