build(deps-dev): update pytest requirement from ~7 to ~8 (#79)

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@7.0.0...8.0.0)

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

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

pyproject.toml

@@ -47,7 +47,7 @@ flake8 = "~5"
 isort = "~5"
 mkdocs-material = "~9"
 mypy = ">=1,<3"
-pytest = "~7"
+pytest = "~8"
 pytest-cov = "~4"
 types-setuptools = "^69.0.0"
 types-requests = "^2.27.30"