[8.4] Add support for property hooks

Add hooks subnode to Stmt\Property and Param, which contains an
array of PropertyHook.

The property hook support is considered experimental

[8.4] Add support for property hooks

Add hooks subnode to Stmt\Property and Param, which contains an
array of PropertyHook.

The property hook support is considered experimental and subject
to change.

RFC: https://wiki.php.net/rfc/property-hooks

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Remove error for abstract/final properties

These are allowed since PHP 8.4, with the introduction of property
hooks. (Abstract properties require hooks, which is not validated
here.)