Bump pytest from 8.4.2 to 9.0.3

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.4.2 to 9.0.3.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.4.2...9.0.3)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 9.0.3
  dependency-type: direct:development
...

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

Author: dependabot[bot]

poetry.lock

@@ -33,7 +33,7 @@ mypy = "^1.7"
 pylama = "^8.4"
 pylint = "^3.0"
 pynacl = "^1.5"
-pytest = "^8.1"
+pytest = ">=8.1,<10.0"
 pytest-benchmark = "^4.0"
 ruff = "^0.13.0"
 setuptools = "^80.9.0"