Bump pytest from 3.2.5 to 9.0.3

Bumps [pytest](https://github.com/pytest-dev/pytest) from 3.2.5 to 9.0.3.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@3.2.5...9.0.3)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 9.0.3
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -1,3 +1,3 @@
 flake8
 six
-pytest==3.2.5 # for 2.7 < PYTHON_VERSION <= 3.2 use pytest 2.9.2; for 3.1 2.10
+pytest==9.0.3 # for 2.7 < PYTHON_VERSION <= 3.2 use pytest 2.9.2; for 3.1 2.10