Bump pygraphviz from 1.14 to 2.0.1

Bumps [pygraphviz](https://github.com/pygraphviz/pygraphviz) from 1.14 to 2.0.1.
- [Release notes](https://github.com/pygraphviz/pygraphviz/releases)
- [Changelog](https://github.com/pygraphviz/pygraphviz/blob/main/RELEASE.rst)
- [Commits](https://github.com/pygraphviz/pygraphviz/compare/pygraphviz-1.14...pygraphviz-2.0.1)

---
updated-dependencies:
- dependency-name: pygraphviz
  dependency-version: 2.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

setup.py

@@ -39,7 +39,7 @@ with open("README.md", encoding="utf-8") as readme:
         install_requires=[
             "PyYAML",
             "diagrams",
-            "pygraphviz==1.14",
+            "pygraphviz==2.0.1",
             "graphviz2drawio",
         ],
         packages=[],