chore(deps): update dependency pytest to v9

Author: renovate[bot]

pyproject.toml

@@ -23,7 +23,7 @@ version="0.0.0-dev"
 
 [dependency-groups]
 dev = [
-  "pytest >=8.1.1,<9",
+  "pytest >=9.0.1,<10",
   "pandas",
   "scikit-learn",
   "nltk",