chore: bump pytest-regtest from 2.2.1 to 2.3.0

Bumps [pytest-regtest](https://gitlab.com/uweschmitt/pytest-regtest) from 2.2.1 to 2.3.0.
- [Changelog](https://gitlab.com/uweschmitt/pytest-regtest/blob/main/CHANGELOG.md)
- [Commits](https://gitlab.com/uweschmitt/pytest-regtest/compare/2.2.1...2.3.0)

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

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