Update pytest requirement from ^8.0.2 to >=8.0.2,<10.0.0 (#767)

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@8.0.2...9.0.2)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 9.0.2
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pyproject.toml

@@ -49,7 +49,7 @@ pydantic-extra-types = "^2.10.5"
 
 [tool.poetry.group.dev.dependencies]
 mypy = {version = "^1.9.0", markers = "platform_python_implementation == 'CPython'"}
-pytest = "^8.0.2"
+pytest = ">=8.0.2,<10.0.0"
 ipdb = "^0.13.9"
 black = ">=24.2,<27.0"
 isort = ">=5.9.3,<8.0.0"