chore: bump jest-config from 26.6.1 to 26.6.3

Bumps [jest-config](https://github.com/facebook/jest/tree/HEAD/packages/jest-config) from 26.6.1 to 26.6.3.
- [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/v26.6.3/packages/jest-config)

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

Author: dependabot[bot]