chore(deps): Update Rust crate petgraph to 0.7.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
petgraph	dependencies	minor	0.6.4 -> 0.7.0

---

Release Notes

petgraph/petgraph (petgraph)

v0.7.0

Compare Source

==========================

• Re-released version 0.6.6 with the correct version number, as it included a major update to an exposed crate (#664_).

v0.6.6

Compare Source

===================================

• Add graph6 format encoder and decoder (#658_)
• Dynamic Topological Sort algorithm support (#675_)
• Add UndirectedAdaptor (#695_)
• Add LowerHex and UpperHex implementations for Dot (#687_)
• Make serde support more complete (#550_)
• Process multiple edges in the Floyd-Warshall implementation (#685_)
• Update fixedbitset to 0.5.7 (#664_)
• Fix immediately_dominated_by function called on root of graph returns root itself (#670_)
• Fix adjacency matrix for Csr and List (#648_)
• Fix clippy warnings (#701_)
• Add performance note to the all_simple_paths function documentation (#693_)

.. _#658: https://github.com/petgraph/petgraph/pull/658
.. _#675: https://github.com/petgraph/petgraph/pull/675
.. _#695: https://github.com/petgraph/petgraph/pull/695
.. _#687: https://github.com/petgraph/petgraph/pull/687
.. _#550: https://github.com/petgraph/petgraph/pull/550
.. _#685: https://github.com/petgraph/petgraph/pull/685
.. _#664: https://github.com/petgraph/petgraph/pull/664
.. _#670: https://github.com/petgraph/petgraph/pull/670
.. _#648: https://github.com/petgraph/petgraph/pull/648
.. _#701: https://github.com/petgraph/petgraph/pull/701
.. _#693: https://github.com/petgraph/petgraph/pull/693

---

Configuration

📅 Schedule: Branch creation - "before 5am on the first day of the month" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[coveralls]

Pull Request Test Coverage Report for Build 12567125325

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 4 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-0.07%) to 29.186%

---

Files with Coverage Reduction	New Missed Lines	%
src/legacy/git/repo.rs	1	45.84%
src/git/repo.rs	1	44.48%
src/graph/branch.rs	2	58.19%

Totals
Change from base Build 12242434639:	-0.07%
Covered Lines:	1628
Relevant Lines:	5578

---

💛 - Coveralls