Bump networkx from 3.0 to 3.1

Bumps [networkx](https://github.com/networkx/networkx) from 3.0 to 3.1.
- [Release notes](https://github.com/networkx/networkx/releases)
- [Commits](networkx/networkx@networkx-3.0...networkx-3.1)

---
updated-dependencies:
- dependency-name: networkx
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -1,6 +1,6 @@
 numpy==1.24.2
 scipy>=0.19.0
-networkx==3.0
+networkx==3.1
 matplotlib>=2.0.0
 scikit-learn>=0.21.2
 theano>=0.9.0