PHRAS-3112 add env for locale in worker and fpm container

.env

@@ -64,6 +64,16 @@ PHRASEANET_SMTP_SECURE_MODE=tls
 PHRASEANET_SMTP_USER=
 PHRASEANET_SMTP_PASSWORD=
 
+# Locale setting
+
+LC_MESSAGES=C.UTF-8
+LC_COLLATE=C.UTF-8
+LC_IDENTIFICATION=C.UTF-8
+LANG=C.UTF-8
+LC_MEASUREMENT=C.UTF-8
+LC_CTYPE=C.UTF-8
+LC_TIME=C.UTF-8
+LC_NAME=C.UTF-8
 
 # --- DEV purpose ---