Bump pytest from 8.2.2 to 8.3.1

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.2.2 to 8.3.1.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.2.2...8.3.1)

---
updated-dependencies:
- dependency-name: pytest
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

setup.py

@@ -17,7 +17,7 @@
     packages=find_packages(),
     include_package_data=True,
     install_requires=requirements,
-    extras_require={"test": ["coverage==7.6.0", "pytest==8.2.2", "pytest-cov==5.0.0", "tox==4.16.0"]},
+    extras_require={"test": ["coverage==7.6.0", "pytest==8.3.1", "pytest-cov==5.0.0", "tox==4.16.0"]},
     entry_points="""
         [console_scripts]
         xml-validate=validator.__main__:cli