build(deps): bump networkx from 2.5.1 to 2.6.2

Bumps [networkx](https://github.com/networkx/networkx) from 2.5.1 to 2.6.2.
- [Release notes](https://github.com/networkx/networkx/releases)
- [Commits](https://github.com/networkx/networkx/compare/networkx-2.5.1...networkx-2.6.2)

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

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

setup.py

@@ -20,7 +20,7 @@ requirements = [
     "ida-settings==2.1.0",
     "viv-utils[flirt]==0.6.5",
     "halo==0.0.31",
-    "networkx==2.5.1",
+    "networkx==2.6.2",
     "ruamel.yaml==0.17.13",
     "vivisect==1.0.4",
     "smda==1.6.2",