chore(deps-dev): update pytest requirement from ~=7.4 to ~=8.1 (#11)

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@7.4.0...8.1.0)

---
updated-dependencies:
- dependency-name: pytest
  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

@@ -34,7 +34,7 @@ fastapi = ["fastapi>=0.51.0"]
 
 dev = ["plugbear[test]", "plugbear[lint]", "plugbear[fastapi]"]
 test = [
-    "pytest~=7.4",
+    "pytest~=8.1",
     "pytest-asyncio~=0.23",
     "httpx",  # for fastapi.testclient
 ]