Drop brandembassy/mockery-tools as it's not supporting PHPUnit 11+

Author: WyriHaximus

composer.json

@@ -10,7 +10,6 @@
   ],
   "require": {
     "php": "^8.3",
-    "brandembassy/mockery-tools": "^5.0.1",
     "ecoapm/libyear": "^2.3",
     "ergebnis/composer-normalize": "^2.43.0",
     "ergebnis/phpunit-slow-test-detector": "^2.15.1",