chore(deps): update dependency pytest to v9

Author: renovate[bot]

pyproject.toml

@@ -41,7 +41,7 @@ Issues = "https://github.com/ervwalter/python-kanka/issues"
 
 [dependency-groups]
 dev = [
-    "pytest==8.4.2",
+    "pytest==9.0.2",
     "pytest-asyncio==1.3.0",
     "pytest-cov==7.0.0",
     "pytest-mock==3.15.1",