When running `bin/config migrate`, I got:
```
Migrating file-based config to more modern config...
Skipping config of source type PhabricatorConfigDatabaseSource...
Skipping config of source type PhabricatorConfigLocalSource...
Migrating file source...
Migrated option "phabricator.base-uri" from file to local config.
Migrated option "mysql.host" from file to local config.
Migrated option "mysql.user" from file to local config.
PHP Fatal error: Call to undefined method PhabricatorContentSource::newFromConsole() in /opt/phabricator/phabricator/src/applications/config/management/PhabricatorConfigManagementMigrateWorkflow.php on line 61
```
This should probably not happen.