Update pytest requirement from <8,>=3.0 to >=3.0,<9

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@3.0.0...8.0.0)

---
updated-dependencies:
- dependency-name: pytest
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

dev-requirements.txt

@@ -1,5 +1,5 @@
 pylint>=1.6,<3
-pytest>=3.0,<8
+pytest>=3.0,<9
 coverage>=6.3,<7
 setuptools_scm>=7.0,<9.0
 tox>=2.5,<4.0