deps: bump jest-circus from 26.2.2 to 26.3.0 (#446)

Bumps [jest-circus](https://github.com/facebook/jest/tree/HEAD/packages/jest-circus) from 26.2.2 to 26.3.0.
- [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/v26.3.0/packages/jest-circus)

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