build(deps-dev): bump pytest from 8.4.2 to 9.0.0

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.4.2 to 9.0.0.
- [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...9.0.0)

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

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

Author: dependabot[bot]

poetry.lock

@@ -15,7 +15,7 @@ semver = "3.0.4"
 black = "25.11.0"
 codespell = "2.4.1"
 coverage = "7.11.3"
-pytest = "8.4.2"
+pytest = "9.0.0"
 pytest-mock = "3.15.1"
 flake8 = "7.3.0"
 pep8-naming = "0.15.1"