deps: bump jest-circus from 26.3.0 to 26.4.0 (#236)

Bumps [jest-circus](https://github.com/facebook/jest/tree/HEAD/packages/jest-circus) from 26.3.0 to 26.4.0.
- [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/v26.4.0/packages/jest-circus)

Signed-off-by: dependabot[bot] <[email protected]>

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