chore(i18n): Update french locale (#1816)
chore(i18n): Update french locale (#1816)

élement -> élément (an accent is missing)
doivent êtres -> doivent être (The past participle of "être" is always invariable)
un alternative textuelle -> une alternative textuelle ("un" and "alternative" must be the same gender) 
déterminée car -> déterminiée, car (ponctuation - a coma is needed before "car") 
audiopdescription -> audiodescription (misspelled)
dequelabs/axe-core,dequelabs/axe-core,dequelabs/axe-core,dequelabs/axe-core