build(deps): bump jest-util from 26.2.0 to 26.3.0 (#1866)

Bumps [jest-util](https://github.com/facebook/jest/tree/HEAD/packages/jest-util) from 26.2.0 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-util)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>