* Fix `Elements with visible text labels do not have matching accessible names`.
* Resolve php 8.2 error passing null to strlen.
### Fixed
* Fix an error with the User Profile widget on WP `5.9`.
* Also run PHPUnit tests on PHP 8.0 and 8.1.
* Prevent a PHP `8` deprecated notice for `str_replace()`.
* Prevent PHP 8 notice from conversion of `false` to array.
* Update dependencies with `npm audit fix`.