build(deps-dev): bump pytest-randomly from 3.12.0 to 3.15.0 (#289)

Bumps [pytest-randomly](https://github.com/pytest-dev/pytest-randomly) from 3.12.0 to 3.15.0.
- [Changelog](https://github.com/pytest-dev/pytest-randomly/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-randomly@3.12.0...3.15.0)

---
updated-dependencies:
- dependency-name: pytest-randomly
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Victor Engmark <victor@engmark.name>
Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>