[PropertyInfo] Support the list pseudo-type

[derrabus]

Q	A
Feature PR	symfony/symfony#43916
PR author(s)	@derrabus
Merged in	5.4

[carsonbot]

Thank you for this issue.
There has not been a lot of activity here for a while. Has this been resolved?

[javiereguiluz]

Closing as fixed in #17883.