Bump petgraph from 0.6.2 to 0.6.4

[dependabot[bot]]

Bumps petgraph from 0.6.2 to 0.6.4.

Changelog

Sourced from petgraph's changelog.

Version 0.6.4 (2023-08-21)

• Update indexmap to 2.0.0 ([#568](https://github.com/petgraph/petgraph/issues/568)_)
• Fix typos ([#544](https://github.com/petgraph/petgraph/issues/544)_)

.. _[#544](https://github.com/petgraph/petgraph/issues/544): petgraph/petgraph#544 .. _[#568](https://github.com/petgraph/petgraph/issues/568): petgraph/petgraph#568

Version 0.6.3 (2023-02-07)

• Added an iterator over subgraph isomorphisms ([#500](https://github.com/petgraph/petgraph/issues/500)_)
• Added serde support on GraphMap ([#496](https://github.com/petgraph/petgraph/issues/496)_)
• Added reverse method for StableGraph ([#533](https://github.com/petgraph/petgraph/issues/533)_)
• Added edges_connecting iterator for StableGraph ([#521](https://github.com/petgraph/petgraph/issues/521)_)
• Fix Floyd-Warshall algorithm behaviour on undirected graphs (487_)
• Fix IntoEdgesDirected implementation for NodeFiltered when direction is Incoming (476_)
• Fix cardinality check in subgraph isomorphism (472_)
• Fix UB in MatrixGraph ([#505](https://github.com/petgraph/petgraph/issues/505)_)

.. _[#472](https://github.com/petgraph/petgraph/issues/472): petgraph/petgraph#472 .. _[#476](https://github.com/petgraph/petgraph/issues/476): petgraph/petgraph#476 .. _[#487](https://github.com/petgraph/petgraph/issues/487): petgraph/petgraph#487 .. _[#496](https://github.com/petgraph/petgraph/issues/496): petgraph/petgraph#496 .. _[#500](https://github.com/petgraph/petgraph/issues/500): petgraph/petgraph#500 .. _[#505](https://github.com/petgraph/petgraph/issues/505): petgraph/petgraph#505 .. _[#521](https://github.com/petgraph/petgraph/issues/521): petgraph/petgraph#521 .. _[#533](https://github.com/petgraph/petgraph/issues/533): petgraph/petgraph#533

Commits

• c78b5b1 Release 0.6.4 (#579)
• ddc4eaa Update indexmap to v2 (#568)
• 4556977 Make ensure_len use resize_with
• b9bf9ee Fixing Typos (#544)
• cb4ab78 petgraph/petgraph#523 (#538)
• 9ed9a95 petgraph/petgraph#534 (#539)
• 299b5d9 Fixing Typo In Complement (#540)
• d1616e7 Release 0.6.3
• a515f91 Incorrect documentation for GraphMap::edges #364 (#536)
• 5300d88 Implement StableGraph::edges_connecting (#521)
• Additional commits viewable in compare view

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