Bump the actions group with 1 update (#395)

Updates the requirements on [pytest](https://github.com/pytest-dev/pytest) to permit the latest version.

Updates `pytest` to 8.1.0
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@1.0.0b3...8.1.0)

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

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

pyproject.toml

@@ -42,7 +42,7 @@ Tracker = "https://github.com/jupyter/jupyter_core/issues"
 test = [
   "ipykernel",
   "pre-commit",
-  "pytest<8",
+  "pytest<9",
   "pytest-cov",
   "pytest-timeout"
 ]