docker/conf/lister: Add sourceforge listing tasks
Sourceforge origins could not be listed in the docker environment, so add missing listing tasks declaration in swh-lister service configuration.
Migrated from D7187 (view on Phabricator)
Sourceforge origins could not be listed in the docker environment, so add missing listing tasks declaration in swh-lister service configuration.
Migrated from D7187 (view on Phabricator)