Bump parallel_tests from 2.26.2 to 2.27.0 (#9263)

Bumps [parallel_tests](https://github.com/grosser/parallel_tests) from 2.26.2 to 2.27.0.
- [Release notes](https://github.com/grosser/parallel_tests/releases)
- [Commits](https://github.com/grosser/parallel_tests/compare/v2.26.2...v2.27.0

)

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