Co-authored-by: Matthew Treinish <mtreinish@kortar.org>

* Fix docs to work with Sphinx Theme 1.11

* Update docs/source/_templates/sidebar.html

Co-authored-by: Matthew Treinish <mtreinish@kortar.org>

Co-authored-by: Matthew Treinish <mtreinish@kortar.org>

* fix issue Qiskit#585 that pickling graph & digraph do not preserve original edge index

* fix clippy lints - collapsible_else_if

* Simplify logic in __setstate__

* Add release note

* Fix lint

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Co-authored-by: Matthew Treinish <mtreinish@kortar.org>

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.160 to 1.0.162.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](serde-rs/serde@v1.0.160...1.0.162)

---
updated-dependencies:
- dependency-name: serde
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Matthew Treinish <mtreinish@kortar.org>

* added a reverse_inplace function in digraph,

the function reverses the direction of the edges in the digraph
implemented by switching the indices of the nodes in an edge.

* added python tests for the reverse_inplace function.

testing a simple case and a case for a large graph.

* ran rust fmt and clippy, also added more detailed documentation

* rename reverse_inplace to reverse

* change excepts to unwraps (If this fails is because of PyO3. It panics and there is not much point in printing a message)

* added tests for empty graph and graph with node removed in the middle

* added interface signature for IDEs

* ran cargo fmt

* Fix doc syntax

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Co-authored-by: Matthew Treinish <mtreinish@kortar.org>

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.162 to 1.0.163.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](serde-rs/serde@v1.0.162...v1.0.163)

---
updated-dependencies:
- dependency-name: serde
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>