Update Predicate.php

I have added a notLike predicate in file so you can use is on sql query
Merge pull request #5775 from mannecheema/patch-1

Update Predicate.php

* mannecheema/patch-1:
  Update Predicate.php
Added unit tests for Zend\Db\Sql's Predicate factory for notLike()
CS Fixes
Closes #5775
Merge branch 'hotfix/5775'

* hotfix/5775:
  Added unit tests for Zend\Db\Sql's Predicate factory for notLike() CS Fixes
  Update Predicate.php