Bump pytest from 8.4.0 to 9.1.1

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.4.0 to 9.1.1.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.4.0...9.1.1)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 9.1.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

tests/requirements.txt

@@ -1,2 +1,2 @@
 py==1.11.0
-pytest==8.4.0
+pytest==9.1.1