Let Composer decide which tool path to use

https://getcomposer.org/doc/articles/scripts.md#writing-custom-commands

> Note: Composer's bin-dir is pushed on top of the PATH so that binaries of dependencies are easily accessible as CLI commands when writing scripts.

composer.json

@@ -75,8 +75,8 @@
             "@cs-check",
             "@test"
         ],
-        "cs-check": "vendor/bin/phpcs --colors -p --standard=vendor/cakephp/cakephp-codesniffer/CakePHP ./src ./tests",
-        "cs-fix": "vendor/bin/phpcbf --colors --standard=vendor/cakephp/cakephp-codesniffer/CakePHP ./src ./tests",
-        "test": "vendor/bin/phpunit --colors=always"
+        "cs-check": "phpcs --colors -p --standard=vendor/cakephp/cakephp-codesniffer/CakePHP ./src ./tests",
+        "cs-fix": "phpcbf --colors --standard=vendor/cakephp/cakephp-codesniffer/CakePHP ./src ./tests",
+        "test": "phpunit --colors=always"
     }
 }