Fix issue Wunderbyte-GmbH#1284

Author: TomoTsuyuki

lang/en/booking.php

@@ -2059,6 +2059,10 @@
 $string['privacy:metadata:bookinganswers:timemodified'] = 'Timestamp when booking was last modified';
 $string['privacy:metadata:bookinganswers:userid'] = 'User that is booked for this event';
 $string['privacy:metadata:bookinganswers:waitinglist'] = 'True if user is on the waitinglist';
+$string['privacy:metadata:bookinghistory'] = 'Logging the history of user interactions';
+$string['privacy:metadata:bookinghistory:json'] = 'Additional data for the booking history';
+$string['privacy:metadata:bookinghistory:status'] = 'Status number for the booking';
+$string['privacy:metadata:bookinghistory:userid'] = 'The id of user that created the booking';
 $string['privacy:metadata:bookingicalsequence'] = 'Ical sequence';
 $string['privacy:metadata:bookingicalsequence:optionid'] = 'Booking option ID for ical';
 $string['privacy:metadata:bookingicalsequence:sequencevalue'] = 'Ical sequence value';