Update pytest-benchmark requirement from ~=4.0 to ~=5.1 (#10066)

Updates the requirements on [pytest-benchmark](https://github.com/ionelmc/pytest-benchmark) to permit the latest version.
- [Changelog](https://github.com/ionelmc/pytest-benchmark/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/ionelmc/pytest-benchmark/compare/v4.0.0...v5.1.0)

---
updated-dependencies:
- dependency-name: pytest-benchmark
  dependency-type: direct:production
...

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