Bump pytest from 8.2.1 to 9.0.3

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.2.1 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@8.2.1...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

@@ -47,7 +47,7 @@ polars = ["polars"]
 matplotlib = ["matplotlib"]
 
 [tool.poetry.group.dev.dependencies]
-pytest = "^8.1.1"
+pytest = ">=8.1.1,<10.0.0"
 
 [tool.black]
 target-version = ["py310"]