Fix typo dans library/graphlib.po

(cherry picked from commit e94cb13)

Author: Jeff D

library/graphlib.po

@@ -167,7 +167,7 @@ msgstr ""
 #: library/graphlib.rst:111
 msgid ""
 "Returns ``True`` if more progress can be made and ``False`` otherwise. "
-"Progress can be made if cycles do not block the resolution antd either there "
+"Progress can be made if cycles do not block the resolution and either there "
 "are still nodes ready that haven't yet been returned by :meth:"
 "`TopologicalSorter.get_ready` or the number of nodes marked :meth:"
 "`TopologicalSorter.done` is less than the number that have been returned by :"