Bump pytest from 7.4.4 to 8.0.0

Bumps [pytest](https://github.com/pytest-dev/pytest) from 7.4.4 to 8.0.0.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@7.4.4...8.0.0)

---
updated-dependencies:
- dependency-name: pytest
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

requirements.txt

@@ -1,3 +1,3 @@
 black>=23.0.0
 graphviz==0.20.1
-pytest==7.4.4
+pytest==8.0.0