Bumps [parallel_tests](https://github.com/grosser/parallel_tests) from 2.21.3 to 2.23.0. - [Release notes](https://github.com/grosser/parallel_tests/releases) - [Commits](https://github.com/grosser/parallel_tests/compare/v2.21.3...v2.23.0) Signed-off-by: dependabot[bot] <support@dependabot.com>pull/4/head