Update pytest requirement from 8.1.0 to 8.1.1

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@8.1.0...8.1.1)

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

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

pyproject.toml

@@ -36,7 +36,7 @@ myst-parser = "2.0.0"
 pep8 = "1.7.1"
 ruff = "0.3.1"
 pylint = "3.1.0"
-pytest = "8.1.0"
+pytest = "8.1.1"
 pytest-cov = "4.1.0"
 coverage = "7.4.3"
 mypy = "1.8.0"