[UPDATE] Update pytest requirement

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/8.4.2...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

@@ -73,7 +73,7 @@ dev = [
 ]
 tests = [
     "freezegun>=1.5.5,<2.0.0",
-    "pytest>=8.4.2,<9.0.0",
+    "pytest>=8.4.2,<10.0.0",
     "pytest-cov>=7.0.0,<8.0.0",
     "pytest-django<5.0.0,>=4.10.0",
     "model-bakery<2.0.0,>=1.20.4",