Bump pytest-factoryboy from 2.7.0 to 2.8.1 in /requirements

Bumps [pytest-factoryboy](https://github.com/pytest-dev/pytest-factoryboy) from 2.7.0 to 2.8.1.
- [Changelog](https://github.com/pytest-dev/pytest-factoryboy/blob/master/CHANGES.rst)
- [Commits](pytest-dev/pytest-factoryboy@2.7.0...2.8.1)

---
updated-dependencies:
- dependency-name: pytest-factoryboy
  dependency-version: 2.8.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements/requirements-testing.txt

@@ -3,5 +3,5 @@ Faker==37.1.0
 pytest==8.3.5
 pytest-cov==6.1.1
 pytest-django==4.11.1
-pytest-factoryboy==2.7.0
+pytest-factoryboy==2.8.1
 syrupy==4.9.1