build(deps-dev): bump pytest-regressions from 2.4.2 to 2.4.3

Bumps [pytest-regressions](https://github.com/ESSS/pytest-regressions) from 2.4.2 to 2.4.3.
- [Changelog](https://github.com/ESSS/pytest-regressions/blob/master/CHANGELOG.rst)
- [Commits](ESSS/pytest-regressions@2.4.2...2.4.3)

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

Signed-off-by: dependabot[bot] <[email protected]>