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] <[email protected]>

Author: dependabot[bot]

Pipfile

@@ -10,7 +10,7 @@ pydantic = "==2.12.3"
 
 [dev-packages]
 black = "==25.9.0"
-pytest = "==8.4.2"
+pytest = "==9.0.0"
 pytest-mock = "==3.15.1"
 mypy = "==1.18.2"
 pytest-mypy-plugins = "==3.2.0"