Change log for ARUBA_IPS

Date Changes
2022-06-16 Enhancement
- Mapped the field rogue_aps.first_seen to principal.domain.first_seen_time.
- Mapped the field rogue_aps.last_seen to principal.domain.last_seen_time.
- For rogue_aps type of logs modified mapping for the UDM field metadata.event_timestamp to rogue_aps.last_seen.