Update pytest requirement from >=7.3, <9.0 to >=7.3,<10.0 (#288)

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](pytest-dev/pytest@7.3.0...9.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pyproject.toml

@@ -16,7 +16,7 @@ numpy = "^2.2"
 scipy = "^1.10"
 transforms3d = "^0.4.1"
 matplotlib = "^3.7"
-pytest = ">=7.3, <9.0"
+pytest = ">=7.3,<10.0"
 pybullet = "^3.2.5"
 gymnasium = "~=1.2"
 stable-baselines3 = "^2.0.0"