chore: add matplotlib dependency

Author: codejsha

python-algorithm/pyproject.toml

@@ -11,6 +11,7 @@ python = ">=3.11,<3.13"
 numpy = "^1.26.0"
 scipy = "^1.12.0"
 networkx = "^3.2.1"
+matplotlib = "^3.8.2"
 
 [tool.poetry.group.test.dependencies]
 pytest = "^8.0.0"