Change log for SOPHOS_UTM

Date	Changes
2022-06-30	Enhancement - - Mapped "size" to "additional.fields". - Mapped "fullreqtime" to "additional.fields". - Mapped "category" to "security_result.detection_fields". - Mapped "device" to "additional.fields". - Mapped "exceptions" to "additional.fields". - When "action" is equal to "DROP" then Mapped "security_result.action" to "BLOCK". - Mapped "inter_host" to "intermediary.hostname".
2022-04-13	Enhancement - Added mappings for following fields: - 'categoryname' to 'security_result.category_details'. - 'user' to 'target.user.userid' - 'ad_domain' to 'target.administrative_domain' - 'group' to 'target.group.group_display_name' - 'sys' to 'metadata.product_event_type' - 'application' to 'principal.application' - 'auth' to 'extensions.auth.auth_details' - 'profile' to 'security_result1.rule_name' - 'app-id', 'reputation', 'request', 'authtime', 'dnstime', 'aptptime', 'cattime', 'avscantime' to 'additional.fields'