Hello!

This PR aims to add support forlist type in theTypeconstraint.

This is done by using thenew PHP 8.1 functionarray_is_list, after checking that the value is an array withis_array function.

Here is an example of use:

#[Assert\Type('list')]private$value;

I consider doing an other PR to addassociative_array type aswell. Or if you think it's ok, I can also add it in an other commit on this one.

--- UPDATE

After fabpot comment, I added an other commit to supportassociative_array type aswell :

#[Assert\Type('associative_array')]private$value;

Anassociative_array is an array that is not a list. Moreover, this means that an empty array will not be considered as anassociative_array.

Best regards