feat: Update manifest and refactor EnvironmentalZone schema with new slot mappings and archived slots
- Updated generated timestamp in manifest.json
- Refactored EnvironmentalZone.yaml to replace zone_name and zone_description with has_or_had_label and has_or_had_description respectively
- Archived previous slots zone_name, zone_id, and zone_description with detailed migration notes
- Introduced new classes for ApprovalTimeType, ApprovalTimeTypes, ISO639-3Identifier, Investment, InvestmentArea, Language, Liability, NetAsset, ResourceType, ResponseFormat, ResponseFormatType, Token, TrackIdentifier, TraditionalProductType, TranscriptFormat, TypeStatus, UNESCODomain, UNESCODomainType, VenueTypes, and VideoFrames with appropriate attributes and slots
- Added subclasses for ApprovalTimeTypes, ResponseFormatTypes, TraditionalProductTypes, and UNESCODomainTypes
d3d5c5cdde