Change log for MOBILEIRON

Date Changes
2023-02-02 Enhancement
- Update the existing mapping "security_result.summary" to "security_result.description" for "complianceViolationTypeToReason.BLACKLIST_APPS".
- Mapped 'complianceViolationTypeToReason.SA' to 'security_result.summary'.
2022-04-25 Enhancement - Modified event_type from 'GENERIC_EVENT' to 'USER_UNCATEGORIZED'
- Mapped 'policyViolatedAt' to 'metadata.event_timestamp'
- Mapped 'platformType' to 'principal.asset.platform_software.platform'