feat: Remove Mink libraries

[zoilomora]

The Mink library has been removed because it was marked as abandoned:

securitychecker_composeraudit
=============================

No security vulnerability advisories found.
Found 2 abandoned packages:                                                                                                                                                                                                      
friends-of-behat/mink is abandoned. Use behat/mink instead.                                                                                                                                                                      
friends-of-behat/mink-browserkit-driver is abandoned. Use behat/mink-browserkit-driver instead.                                                                                                                                  
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