feat: Implementation of Source Manifests: - Added message StorageSourceManifest as an option for the Source message - Added StorageSourceManifest field to the SourceProvenance message
feat: Implementation of Source Manifests:
- Added message StorageSourceManifest as an option for the Source message
- Added StorageSourceManifest field to the SourceProvenance message

PiperOrigin-RevId: 372331161

googleapis/googleapis,googleapis/googleapis