Update pytest requirement from <8.0.0 to <9.0.0

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@1.0.0b3...8.3.2)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -42,7 +42,7 @@ dependencies = [
 [project.optional-dependencies]
 test = [
     "click",
-    "pytest<8.0.0",
+    "pytest<9.0.0",
     "pytest-cov",
     "pytest-xdist",
     "pytest-lazy-fixture",