PublishPress Authors Pro 4.7.3

* Changed: Replaced Pimple library with a prefixed version of the library to avoid conflicts with other plugins;
* Changed: Replaced Psr/Container library with a prefixed version of the library to avoid conflicts with other plugins;
* Changed: Change min PHP version to 7.2.5. If not compatible, the plugin will not execute;
* Changed: Change min WP version to 5.5. If not compatible, the plugin will not execute;
* Changed: Updated internal libraries to latest versions;
* Changed: Refactor some occurrences of "plugins_loaded" replacing it by a new action: "plublishpress_<name>_loaded" which runs after the requirements and libraries are loaded, but before the plugin is initialized;

* Feature: New "Display Name" setting, #1407
* Fixed: Improve "display name as publicly” field, #1409
* Fixed: Warning: Attempt to read property "display_name" when editing guest author, #1410

* Fixed: Author boxes styles not working after migration from legacy layout, #1341
* Fixed: Last column has different size on Author List, #1345
* Fixed: Missed semicolon on generated author box theme template, #1352
* Fixed: authors_index and authors_recent layout not working, #1357
* Update: Include Display Name in "Update data from mapped user" feature, #1344
* Fixed: PublishPress Authors query issue conflict with Planner Content Overview Filter, #1350
* Fixed: Authors FREE ES-IT Translation Updates May 12, 2023, #1343
* Fixed: French translation update for Authors FREE May 2023, #1347