Update pytest requirement from ^8.1.1 to >=8.1.1,<10.0.0

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/8.1.1...9.0.0)

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

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

pyproject.toml

@@ -93,7 +93,7 @@ mypy-protobuf = "^3.0.0"
 
 
 [tool.poetry.group.test.dependencies]
-pytest = "^8.1.1"
+pytest = ">=8.1.1,<10.0.0"
 
 [tool.poetry.group.dev.dependencies]
 black = "*"