Update pytest requirement from <10.0,>=6.2.5 to >=8.4.2,<10.0

Updates the requirements on [pytest](https://github.com/pytest-dev/pytest) to permit the latest version.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@6.2.5...8.4.2)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 8.4.2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements/test.txt

@@ -4,7 +4,7 @@ pytest-timeout
 
 # Conditional dependencies
 pytest>=6.2.5,<8.0; python_version < '3.9'  # Python 3.8 only
-pytest>=6.2.5,<10.0; python_version >= '3.9'  # Python 3.9+ only
+pytest>=8.4.2,<10.0; python_version >= '3.9'  # Python 3.9+ only
 pytest-django>=4.5.2,<4.6.0; python_version < '3.9'  # Python 3.8 only
 pytest-django>=4.11.1,<5.0; python_version >= '3.9'    # Python 3.9+ only
 backports.zoneinfo; python_version < '3.9'  # Python 3.8 only