Slim SEO Pro 1.2.3

- Improve integrations with page builders, make schemas work when Yoast/Rank Math are active
- Add more properties for Article and Person schemas
- Improve JS by using WordPress's built-in scripts, reducing bundle size and using React 18

- Add toggles for premium features
- Fix position in `BreadcrumbList` schema
- Fix missing custom properties
- Re-add `name`, `description` and `mainEntity` for `Article` schema for backward compatibility
- Allow users to delete the plugin data when uninstalling by defining a constant in `wp-config.php`:

- Reduce number of ajax requests in the settings page, reduce the chance of being blocks by security rules or firewall
- Add a new action: update all URL instances, that allows you to update a URL in all places.
- Fix missing "T" in datetime values (like for events)
- Fix missing dictionary file for Mandarin language