Update dependency networkx to v3.1 (#157)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [networkx](https://networkx.org/)
([source](https://togithub.com/networkx/networkx)) | `==3.0` -> `==3.1`
|
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|
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|
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|
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|

---

### Release Notes

<details>
<summary>networkx/networkx</summary>

###
[`v3.1`](https://togithub.com/networkx/networkx/releases/tag/networkx-3.1):
NetworkX 3.1

[Compare
Source](https://togithub.com/networkx/networkx/compare/networkx-3.0...networkx-3.1)

</details>

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requirements.txt

@@ -5,7 +5,7 @@ coverage==7.2.2
 GitPython==3.1.31
 mypy==1.1.1
 nest_asyncio==1.5.6
-networkx==3.0
+networkx==3.1
 pdoc==13.1.0
 pip==23.0.1
 pre-commit==3.2.2