Sync en-US/fr-FR source locales from upstream uutils/coreutils

src/uu/stat/locales/en-US.ftl

@@ -56,6 +56,7 @@ stat-after-help = Valid format sequences for files (without `--file-system`):
 ## Error messages
 
 stat-error-invalid-quoting-style = Invalid quoting style: {$style}
+stat-warning-invalid-env-quoting-style = ignoring invalid value of environment variable QUOTING_STYLE: '{$style}'
 stat-error-missing-operand = missing operand
   Try 'stat --help' for more information.
 stat-error-invalid-directive = {$directive}: invalid directive

src/uu/stat/locales/fr-FR.ftl

@@ -92,6 +92,7 @@ stat-word-birth = Créé
 ## Messages d'erreur
 
 stat-error-invalid-quoting-style = Style de guillemets invalide : {$style}
+stat-warning-invalid-env-quoting-style = valeur invalide de la variable d'environnement QUOTING_STYLE ignorée : '{$style}'
 stat-error-missing-operand = opérande manquant
   Essayez 'stat --help' pour plus d'informations.
 stat-error-invalid-directive = {$directive} : directive invalide