fix(deps): bump jest-diff from 25.2.1 to 25.2.3

Bumps [jest-diff](https://github.com/facebook/jest/tree/HEAD/packages/jest-diff) from 25.2.1 to 25.2.3.
- [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/v25.2.3/packages/jest-diff)

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