Avoid unbounded version constraints where possible

Author: Dan Wallis

composer.json

@@ -12,7 +12,7 @@
     ],
     "require": {
         "magento/magento-coding-standard": "*",
-        "youwe/coding-standard": ">=3.3.0"
+        "youwe/coding-standard": "^3.3.0"
     },
     "autoload": {
         "psr-0": {