Bump parallel_tests from 2.21.3 to 2.23.0 (#8884)

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

)

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