Bump phpunit/phpunit from 8.4.0 to 8.4.3
Bump phpunit/phpunit from 8.4.0 to 8.4.3

Bumps [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) from 8.4.0 to 8.4.3.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/8.4.3/ChangeLog-8.4.md)
- [Commits](https://github.com/sebastianbergmann/phpunit/compare/8.4.0...8.4.3)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
WildPHP/module-linksniffer