[bugfix] Handle PageSaveRelatedError exception
[bugfix] Handle PageSaveRelatedError exception

Handle PageSaveRelatedError instead of OtherPageSaveError to catch the
exception

Bug: T169859
Change-Id: Ib33441b17aae8e69ff623fe296071919056729a4

npdoty/pywikibot,PersianWikipedia/pywikibot-core,wikimedia/pywikibot-core,hasteur/g13bot_tools_new,happy5214/pywikibot-core,happy5214/pywikibot-core,magul/pywikibot-core,hasteur/g13bot_tools_new,wikimedia/pywikibot-core,magul/pywikibot-core,hasteur/g13bot_tools_new,npdoty/pywikibot