Update pytest requirement from <9.0,>=8.2.1 to >=8.2.1,<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](https://github.com/pytest-dev/pytest/compare/8.2.1...9.0.0)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 9.0.0
  dependency-type: direct:development
...

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

pyproject.toml

@@ -107,7 +107,7 @@ dev = [
     "pre-commit>=3.1,<5.0",
     "pyfakefs>=5.7.3,<6.0",
     "pytest-cov>=5.0,<8.0",
-    "pytest>=8.2.1,<9.0",
+    "pytest>=8.2.1,<10.0",
     "ruff>=0.9.9,<0.15",
 ]