deps: bump jest-circus from 26.4.2 to 26.5.1 (#342)

Bumps [jest-circus](https://github.com/facebook/jest/tree/HEAD/packages/jest-circus) from 26.4.2 to 26.5.1.
- [Release notes](https://github.com/facebook/jest/releases)
- [Changelog](https://github.com/facebook/jest/blob/master/CHANGELOG.md)
- [Commits](https://github.com/facebook/jest/commits/v26.5.1/packages/jest-circus)

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