chore(deps): update dependency pytest to v9

Author: renovate[bot]

pyproject.toml

@@ -6,7 +6,7 @@ readme = "README.md"
 requires-python = ">=3.12"
 keywords = [ "software supply chain", "ssc", "dependencies", "npm",]
 classifiers = [ "Intended Audience :: Developers", "Topic :: Software Development :: Build Tools", "Programming Language :: Python :: 3", "License :: OSI Approved :: MIT License", "Operating System :: OS Independent",]
-dependencies = [ "attrs ==25.4.0", "cattrs ==24.1.3", "certifi ==2025.11.12", "charset-normalizer ==3.4.4", "exceptiongroup ==1.3.1", "GitPython ==3.1.45", "idna ==3.11", "markdown-it-py ==4.0.0", "numpy ==2.3.5", "pandas ==2.3.3", "platformdirs ==4.5.1", "PyGithub ==2.8.1", "pytest ==8.4.2", "python-dateutil == 2.9.0.post0", "pytz ==2025.2", "PyYAML ==6.0.3", "requests ==2.32.5", "requests-cache == 1.2.1", "six ==1.17.0", "tabulate == 0.9.0", "tqdm ==4.67.1", "typing_extensions ==4.15.0", "tzdata ==2025.2", "url-normalize ==2.2.1", "urllib3 ==2.6.2", "xmltodict ==0.15.1",]
+dependencies = [ "attrs ==25.4.0", "cattrs ==24.1.3", "certifi ==2025.11.12", "charset-normalizer ==3.4.4", "exceptiongroup ==1.3.1", "GitPython ==3.1.45", "idna ==3.11", "markdown-it-py ==4.0.0", "numpy ==2.3.5", "pandas ==2.3.3", "platformdirs ==4.5.1", "PyGithub ==2.8.1", "pytest ==9.0.2", "python-dateutil == 2.9.0.post0", "pytz ==2025.2", "PyYAML ==6.0.3", "requests ==2.32.5", "requests-cache == 1.2.1", "six ==1.17.0", "tabulate == 0.9.0", "tqdm ==4.67.1", "typing_extensions ==4.15.0", "tzdata ==2025.2", "url-normalize ==2.2.1", "urllib3 ==2.6.2", "xmltodict ==0.15.1",]
 [[project.authors]]
 name = "Raphina Liu"
 email = "[email protected]"