Update pytest requirement from >=7.2.1 to >=8.3.5

Updates the requirements on [pytest](https://github.com/pytest-dev/pytest) to permit the latest version.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.3.5...8.3.5)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 8.3.5
  dependency-type: direct:production
...

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

Author: dependabot[bot]

test-requirements.txt

@@ -1,4 +1,4 @@
-pytest >= 7.2.1
+pytest >= 8.3.5
 pytest-cov >= 2.8.1
 tox >= 4.25.0
 flake8 >= 5.0.4