Bump networkx from 3.2.1 to 3.4.2 in /envs

Bumps [networkx](https://github.com/networkx/networkx) from 3.2.1 to 3.4.2.
- [Release notes](https://github.com/networkx/networkx/releases)
- [Commits](networkx/networkx@networkx-3.2.1...networkx-3.4.2)

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

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

envs/requirements.txt

@@ -26,7 +26,7 @@ markdown-it-py==3.0.0
 matplotlib==3.8.4
 mdurl==0.1.2
 meshio==5.3.5
-networkx==3.2.1
+networkx==3.4.2
 numpy==1.26.4
 packaging==24.0
 pandas==2.2.2