1. If your Email Verification Link is generating a http instead of https URL then, add the following line in app/Providers/AppServiceProvider.php file.
public function boot(): void{
URL::forceScheme('https');
}
2. If you are using https protocol to reverse proxy or load balancer then, edit the following line in app/Http/Middleware/TrustProxies.php file.
protected $proxies = '*';