11.next: Fix CakePHP 4.5 deprecations

[LordSimal]

Resolves https://github.com/CakeDC/users/issues/1037

[LordSimal]

First I thought its fine to call $this->getSchema() inside the initialize method and set the custom column types. But this doesn't work when someone uses a custom table instead of the users table.

[rochamarcelo]

Thank you.