[php2cpg] Support type inference for class properties

[icyblu3]

Is your feature request related to a problem? Please describe.
Joern currently does not seem to be able to determine the type of a Class property in PHP, giving "ANY" as the typeFullName in the corresponding node.

Describe the solution you'd like
The type information of a class property is captured in the output json file from php-parse. Would it be possible to propagate this information over to the CPG?

Additional context
See code snippet and corresponding Joern output below
Code:
class MissingPropertyType {
public int $poc;
}
Joern output: