#3013060 All update_* functions in update.inc are deprecated

from:
  fqn: 'fn:update_system_schema_requirements'
to:
  fqn: '\Drupal\Core\Update\DatabaseUpdate::systemSchemaRequirements'
from:
  fqn: 'fn:update_check_requirements'
to:
  fqn: '\Drupal\Core\Update\DatabaseUpdate::getRequirements'
from:
  fqn: 'fn:_update_fix_missing_schema'
from:
  fqn: 'fn:update_do_one'
to:
  fqn: '\Drupal\Core\Update\DatabaseUpdate::doOne'
from:
  fqn: 'fn:update_already_performed'
to:
  fqn: '\Drupal\Core\Update\DatabaseUpdate::alreadyPerformed'
from:
  fqn: 'fn:update_retrieve_dependencies'
to:
  fqn: '\Drupal\Core\Update\DatabaseUpdate::retrieveDependencies'
from:
  fqn: 'fn:update_invoke_post_update'
to:
  fqn: '\Drupal\Core\Update\DatabaseUpdate::invokePostUpdate'
from:
  fqn: 'fn:update_get_update_list'
to:
  fqn: '\Drupal\Core\Update\DatabaseUpdate::getUpdateList'
from:
  fqn: 'fn:update_resolve_dependencies'
to:
  fqn: '\Drupal\Core\Update\DatabaseUpdate::resolveDependencies'
from:
  fqn: 'fn:update_get_update_function_list'
to:
  fqn: '\Drupal\Core\Update\DatabaseUpdate::getUpdateFunctionList'
from:
  fqn: 'fn:update_build_dependency_graph'
to:
  fqn: '\Drupal\Core\Update\DatabaseUpdate::buildDependencyGraph'
from:
  fqn: 'fn:update_is_missing'
to:
  fqn: '\Drupal\Core\Update\DatabaseUpdate::isMissing'