Improve documentation for ToArrayOfIntegers

Co-authored-by: samdark <47294+samdark@users.noreply.github.com>

Author: Copilot

src/Attribute/Parameter/ToArrayOfIntegers.php

@@ -8,6 +8,9 @@
 
 /**
  * Casts the resolved value to array of integers.
+ *
+ * If the resolved value is iterable, each element is cast to an integer.
+ * If the resolved value is not iterable, it is cast to an integer and wrapped in an array.
  */
 #[Attribute(Attribute::TARGET_PROPERTY | Attribute::TARGET_PARAMETER | Attribute::IS_REPEATABLE)]
 final class ToArrayOfIntegers implements ParameterAttributeInterface