Change log for RAPID7_NEXPOSE

Date Changes
2024-05-14 Enhancement:
- Added support to handle new JSON logs.
- Mapped "description.text" to "metadata.description".
- Mapped "categories", "pci.adjustedCVSSScore", "pci.adjustedSeverityScore", "pci.fail", and "pci.status" to "additional.fields".
- Mapped "cvss.v2.accessComplexity", "cvss.v2.accessVector", "cvss.v2.authentication", "cvss.v2.availabilityImpact", "cvss.v2.confidentialityImpact", "cvss.v2.integrityImpact", "cvss.v2.vector", "cvss.v3.attackComplexity", "cvss.v3.attackVector", "cvss.v3.availabilityImpact", "cvss.v3.confidentialityImpact", "cvss.v3.privilegeRequired", "cvss.v3.integrityImpact", "cvss.v3.scope", "cvss.v3.userInteraction", and "cvss.v3.vector" to "security_result.detection_fields".
2022-09-27 Enhancement:
- Added support for syslog pattern to parse the unparsed logs.