spatie/phpunit-watcher is not compatible with PHP < 7.2

[anton-vlasenko]

Description

This issue is a follow-up to #46510.
The spatie/phpunit-watcher composer package is not compatible with PHP 7.1 and below and it must be removed or replaced with another package that supports PHP 5.6 and above.

Step-by-step reproduction instructions

1. Make sure you are using PHP 7.1 or below.
2. Navigate to the project's directory.
3. Install composer dependencies

composer install

You will not be able to install dependencies as spatie/phpunit-watcher is incompatible with these PHP versions.

Screenshots, screen recording, code snippet

No response

Environment info

No response

Please confirm that you have searched existing issues in the repo.

Yes

Please confirm that you have tested with all plugins deactivated except Gutenberg.

Yes