build(deps-dev): bump pytest from 8.4.0 to 8.4.1 in /backend

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.4.0 to 8.4.1.
- [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...8.4.1)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 8.4.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]