This example is not actual:

$databaseConnectionOrDSN ='postgresql://myuser:mypassword@localhost:5634/lock';$store =newPostgreSqlStore($databaseConnectionOrDSN);

Correct way is to useDoctrineDbalPostgreSqlStore with a string like this'postgresql://myuser:mypassword@localhost:5634/lock'

https://symfony.com/doc/current/components/lock.html#postgresqlstore
symfony/symfony#44535 (comment)