deps: bump jest-circus from 26.1.0 to 26.2.1 (#402)

Bumps [jest-circus](https://github.com/facebook/jest/tree/HEAD/packages/jest-circus) from 26.1.0 to 26.2.1.
- [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/v26.2.1/packages/jest-circus)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>