Bump pytest from 7.3.1 to 8.1.1

Bumps [pytest](https://github.com/pytest-dev/pytest) from 7.3.1 to 8.1.1.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@7.3.1...8.1.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

setup.py

@@ -66,7 +66,7 @@
             "m2r2==0.3.2",
         ],
         "dev": ["tqdm", "pybel", "pebble", "maggma"],
-        "tests": ["pytest==7.3.1", "pytest-cov==4.0.0"],
+        "tests": ["pytest==8.1.1", "pytest-cov==4.0.0"],
         "lint": [
             "coverage==7.2.5",
             "codacy-coverage==1.3.11",