Bump pytest from 8.1.0 to 8.1.1 in /requirements (#32)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.1.0 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@8.1.0...8.1.1)

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

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

requirements/requirements_test.txt

@@ -1,2 +1,2 @@
-pytest==8.1.0
+pytest==8.1.1
 pytest-cov==5.0.0