chore(deps-dev): update pytest requirement from <8,>=6.0.0 to >=6.0.0,<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@6.0.0...8.0.0)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -57,7 +57,7 @@ dev = [
     "mypy>=0.982,<2",
     "pre-commit>=2.0.0,<4",
     "pyright>=1.0.0,<2",
-    "pytest>=6.0.0,<8",
+    "pytest>=6.0.0,<9",
     "slotscheck>=0.1.0,<1",
     "taskipy>=1.0.0,<2",
     "tox>=3.0.0,<5",