#2935639 User module's user.private_tempstore and user.shared_tempstore services moved to core

from:
  fqn: \Drupal\user\PrivateTempStore
to:
  fqn: \Drupal\Core\TempStore\PrivateTempStore
from:
  fqn: \Drupal\user\PrivateTempStoreFactory
to:
  fqn: \Drupal\Core\TempStore\PrivateTempStoreFactory
from:
  fqn: \Drupal\user\SharedTempStore
to:
  fqn: \Drupal\Core\TempStore\SharedTempStore
from:
  fqn: \Drupal\user\SharedTempStoreFactory
to:
  fqn: \Drupal\Core\TempStore\SharedTempStoreFactory
from:
  fqn: \Drupal\user\TempStoreException
to:
  fqn: \Drupal\Core\TempStore\TempStoreException