Bump faker from 1.8.7 to 1.9.1 (#8935)

Bumps [faker](https://github.com/stympy/faker) from 1.8.7 to 1.9.1.
- [Release notes](https://github.com/stympy/faker/releases)
- [Changelog](https://github.com/stympy/faker/blob/master/CHANGELOG.md)
- [Commits](https://github.com/stympy/faker/compare/v1.8.7...v1.9.1

)

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