Improve definition exception messages

Author: Kirill Nesmeyanov

src/Exception/Definition/PropertyTypeNotFoundException.php

@@ -37,7 +37,7 @@ public static function becauseTypeOfPropertyNotDefined(
             class: $class,
             property: $property,
             type: $type,
-            template: \vsprintf('Type "{{type}}" for property %s::$%s is not registered', [
+            template: \vsprintf('Type "{{type}}" for property %s::$%s is not defined', [
                 $class,
                 $property,
             ]),

src/Exception/Definition/TypeNotFoundException.php

@@ -12,7 +12,7 @@ public static function becauseTypeNotDefined(TypeStatement $type, ?\Throwable $p
     {
         return new self(
             type: $type,
-            template: 'Type "{{type}}" is not registered',
+            template: 'Type "{{type}}" is not defined',
             previous: $previous,
         );
     }