Upgrade to libphonenumber-for-php 9.0.x?

Problem/Motivation

https://github.com/giggsey/libphonenumber-for-php/releases/tag/9.0.0 is out.

"Google has bumped libphonenumber to v9 for Java compatibility reasons. We've taken this opportunity to make some improvements to this library."

Steps to reproduce

Na

Proposed resolution

TBD

Remaining tasks

TBD

User interface changes

None

API changes

TBD

Data model changes

TBD