feat(cloudbilling): update the API

#### cloudbilling:v1beta

The following keys were added:
- schemas.CacheFillRegions.description
- schemas.CacheFillRegions.id
- schemas.CacheFillRegions.properties.destinationRegion.description
- schemas.CacheFillRegions.properties.destinationRegion.enum
- schemas.CacheFillRegions.properties.destinationRegion.enumDescriptions
- schemas.CacheFillRegions.properties.destinationRegion.type
- schemas.CacheFillRegions.properties.sourceRegion.description
- schemas.CacheFillRegions.properties.sourceRegion.enum
- schemas.CacheFillRegions.properties.sourceRegion.enumDescriptions
- schemas.CacheFillRegions.properties.sourceRegion.type
- schemas.CacheFillRegions.type
- schemas.CloudCdnEgressWorkload.description
- schemas.CloudCdnEgressWorkload.id
- schemas.CloudCdnEgressWorkload.properties.cacheEgressDestination.description
- schemas.CloudCdnEgressWorkload.properties.cacheEgressDestination.enum
- schemas.CloudCdnEgressWorkload.properties.cacheEgressDestination.enumDescriptions
- schemas.CloudCdnEgressWorkload.properties.cacheEgressDestination.type
- schemas.CloudCdnEgressWorkload.properties.cacheEgressRate.$ref
- schemas.CloudCdnEgressWorkload.properties.cacheEgressRate.description
- schemas.CloudCdnEgressWorkload.type
- schemas.CloudCdnWorkload.description
- schemas.CloudCdnWorkload.id
- schemas.CloudCdnWorkload.properties.cacheFillOriginService.description
- schemas.CloudCdnWorkload.properties.cacheFillOriginService.enum
- schemas.CloudCdnWorkload.properties.cacheFillOriginService.enumDescriptions
- schemas.CloudCdnWorkload.properties.cacheFillOriginService.type
- schemas.CloudCdnWorkload.properties.cacheFillRate.$ref
- schemas.CloudCdnWorkload.properties.cacheFillRate.description
- schemas.CloudCdnWorkload.properties.cacheFillRegions.$ref
- schemas.CloudCdnWorkload.properties.cacheFillRegions.description
- schemas.CloudCdnWorkload.properties.cacheLookUpRate.$ref
- schemas.CloudCdnWorkload.properties.cacheLookUpRate.description
- schemas.CloudCdnWorkload.type
- schemas.CloudInterconnectEgressWorkload.description
- schemas.CloudInterconnectEgressWorkload.id
- schemas.CloudInterconnectEgressWorkload.properties.egressRate.$ref
- schemas.CloudInterconnectEgressWorkload.properties.egressRate.description
- schemas.CloudInterconnectEgressWorkload.properties.interconnectConnectionLocation.description
- schemas.CloudInterconnectEgressWorkload.properties.interconnectConnectionLocation.enum
- schemas.CloudInterconnectEgressWorkload.properties.interconnectConnectionLocation.enumDescriptions
- schemas.CloudInterconnectEgressWorkload.properties.interconnectConnectionLocation.type
- schemas.CloudInterconnectEgressWorkload.type
- schemas.CloudInterconnectWorkload.description
- schemas.CloudInterconnectWorkload.id
- schemas.CloudInterconnectWorkload.properties.interconnectAttachments.description
- schemas.CloudInterconnectWorkload.properties.interconnectAttachments.items.$ref
- schemas.CloudInterconnectWorkload.properties.interconnectAttachments.type
- schemas.CloudInterconnectWorkload.properties.interconnectType.description
- schemas.CloudInterconnectWorkload.properties.interconnectType.enum
- schemas.CloudInterconnectWorkload.properties.interconnectType.enumDescriptions
- schemas.CloudInterconnectWorkload.properties.interconnectType.type
- schemas.CloudInterconnectWorkload.properties.linkType.description
- schemas.CloudInterconnectWorkload.properties.linkType.enum
- schemas.CloudInterconnectWorkload.properties.linkType.enumDescriptions
- schemas.CloudInterconnectWorkload.properties.linkType.type
- schemas.CloudInterconnectWorkload.properties.provisionedLinkCount.$ref
- schemas.CloudInterconnectWorkload.properties.provisionedLinkCount.description
- schemas.CloudInterconnectWorkload.type
- schemas.CloudStorageEgressWorkload.description
- schemas.CloudStorageEgressWorkload.id
- schemas.CloudStorageEgressWorkload.properties.destinationContinent.description
- schemas.CloudStorageEgressWorkload.properties.destinationContinent.enum
- schemas.CloudStorageEgressWorkload.properties.destinationContinent.enumDescriptions
- schemas.CloudStorageEgressWorkload.properties.destinationContinent.type
- schemas.CloudStorageEgressWorkload.properties.egressRate.$ref
- schemas.CloudStorageEgressWorkload.properties.egressRate.description
- schemas.CloudStorageEgressWorkload.properties.sourceContinent.description
- schemas.CloudStorageEgressWorkload.properties.sourceContinent.enum
- schemas.CloudStorageEgressWorkload.properties.sourceContinent.enumDescriptions
- schemas.CloudStorageEgressWorkload.properties.sourceContinent.type
- schemas.CloudStorageEgressWorkload.type
- schemas.PremiumTierEgressWorkload.description
- schemas.PremiumTierEgressWorkload.id
- schemas.PremiumTierEgressWorkload.properties.destinationContinent.description
- schemas.PremiumTierEgressWorkload.properties.destinationContinent.enum
- schemas.PremiumTierEgressWorkload.properties.destinationContinent.enumDescriptions
- schemas.PremiumTierEgressWorkload.properties.destinationContinent.type
- schemas.PremiumTierEgressWorkload.properties.egressRate.$ref
- schemas.PremiumTierEgressWorkload.properties.egressRate.description
- schemas.PremiumTierEgressWorkload.properties.sourceRegion.description
- schemas.PremiumTierEgressWorkload.properties.sourceRegion.type
- schemas.PremiumTierEgressWorkload.type
- schemas.StandardTierEgressWorkload.description
- schemas.StandardTierEgressWorkload.id
- schemas.StandardTierEgressWorkload.properties.egressRate.$ref
- schemas.StandardTierEgressWorkload.properties.egressRate.description
- schemas.StandardTierEgressWorkload.properties.sourceRegion.description
- schemas.StandardTierEgressWorkload.properties.sourceRegion.type
- schemas.StandardTierEgressWorkload.type
- schemas.VlanAttachment.description
- schemas.VlanAttachment.id
- schemas.VlanAttachment.properties.bandwidth.description
- schemas.VlanAttachment.properties.bandwidth.enum
- schemas.VlanAttachment.properties.bandwidth.enumDescriptions
- schemas.VlanAttachment.properties.bandwidth.type
- schemas.VlanAttachment.properties.vlanCount.$ref
- schemas.VlanAttachment.properties.vlanCount.description
- schemas.VlanAttachment.type
- schemas.Workload.properties.cloudCdnEgressWorkload.$ref
- schemas.Workload.properties.cloudCdnEgressWorkload.description
- schemas.Workload.properties.cloudCdnWorkload.$ref
- schemas.Workload.properties.cloudCdnWorkload.description
- schemas.Workload.properties.cloudInterconnectEgressWorkload.$ref
- schemas.Workload.properties.cloudInterconnectEgressWorkload.description
- schemas.Workload.properties.cloudInterconnectWorkload.$ref
- schemas.Workload.properties.cloudInterconnectWorkload.description
- schemas.Workload.properties.cloudStorageEgressWorkload.$ref
- schemas.Workload.properties.cloudStorageEgressWorkload.description
- schemas.Workload.properties.premiumTierEgressWorkload.$ref
- schemas.Workload.properties.premiumTierEgressWorkload.description
- schemas.Workload.properties.standardTierEgressWorkload.$ref
- schemas.Workload.properties.standardTierEgressWorkload.description

The following keys were changed:
- schemas.Commitment.properties.name.description
- schemas.ScenarioConfig.properties.estimateDuration.description
- schemas.UsageRateTimeline.properties.unit.description
- schemas.Workload.properties.name.description

Author: yoshi-automation