Bump giggsey/libphonenumber-for-php from 8.12.4 to 8.12.16

Bumps [giggsey/libphonenumber-for-php](https://github.com/giggsey/libphonenumber-for-php) from 8.12.4 to 8.12.16.
- [Release notes](https://github.com/giggsey/libphonenumber-for-php/releases)
- [Commits](giggsey/libphonenumber-for-php@8.12.4...8.12.16)

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