feat(chat): update the API

#### chat:v1

The following keys were added:
- resources.spaces.methods.completeImport.description
- resources.spaces.methods.completeImport.flatPath
- resources.spaces.methods.completeImport.httpMethod
- resources.spaces.methods.completeImport.id
- resources.spaces.methods.completeImport.parameterOrder
- resources.spaces.methods.completeImport.parameters.name.description
- resources.spaces.methods.completeImport.parameters.name.location
- resources.spaces.methods.completeImport.parameters.name.pattern
- resources.spaces.methods.completeImport.parameters.name.required
- resources.spaces.methods.completeImport.parameters.name.type
- resources.spaces.methods.completeImport.path
- resources.spaces.methods.completeImport.request.$ref
- resources.spaces.methods.completeImport.response.$ref
- resources.spaces.methods.completeImport.scopes
- schemas.CompleteImportSpaceRequest.description
- schemas.CompleteImportSpaceRequest.id
- schemas.CompleteImportSpaceRequest.type
- schemas.CompleteImportSpaceResponse.id
- schemas.CompleteImportSpaceResponse.properties.space.$ref
- schemas.CompleteImportSpaceResponse.properties.space.description
- schemas.CompleteImportSpaceResponse.type
- schemas.Membership.properties.deleteTime.description
- schemas.Membership.properties.deleteTime.format
- schemas.Membership.properties.deleteTime.type
- schemas.Space.properties.createTime.description
- schemas.Space.properties.createTime.format
- schemas.Space.properties.createTime.type
- schemas.Space.properties.importMode.description
- schemas.Space.properties.importMode.type

The following keys were changed:
- resources.spaces.methods.patch.parameters.updateMask.description
- resources.spaces.resources.messages.methods.create.parameters.messageId.description
- resources.spaces.resources.messages.methods.delete.parameters.name.description
- resources.spaces.resources.messages.methods.get.parameters.name.description
- resources.spaces.resources.messages.methods.patch.parameters.name.description
- resources.spaces.resources.messages.methods.patch.parameters.updateMask.description
- resources.spaces.resources.messages.methods.update.parameters.name.description
- resources.spaces.resources.messages.methods.update.parameters.updateMask.description
- schemas.ChatClientDataSourceMarkup.description
- schemas.CommonEventObject.properties.hostApp.enum
- schemas.CommonEventObject.properties.hostApp.enumDescriptions
- schemas.GoogleAppsCardV1Action.description
- schemas.GoogleAppsCardV1Action.properties.interaction.description
- schemas.GoogleAppsCardV1Action.properties.interaction.enumDescriptions
- schemas.GoogleAppsCardV1ActionParameter.description
- schemas.GoogleAppsCardV1BorderStyle.description
- schemas.GoogleAppsCardV1Button.description
- schemas.GoogleAppsCardV1ButtonList.description
- schemas.GoogleAppsCardV1Card.properties.cardActions.description
- schemas.GoogleAppsCardV1Card.properties.displayStyle.description
- schemas.GoogleAppsCardV1Card.properties.fixedFooter.description
- schemas.GoogleAppsCardV1Card.properties.name.description
- schemas.GoogleAppsCardV1Card.properties.peekCardHeader.description
- schemas.GoogleAppsCardV1CardAction.description
- schemas.GoogleAppsCardV1CardFixedFooter.description
- schemas.GoogleAppsCardV1CardHeader.description
- schemas.GoogleAppsCardV1CardHeader.properties.imageType.description
- schemas.GoogleAppsCardV1Column.description
- schemas.GoogleAppsCardV1Column.properties.horizontalSizeStyle.description
- schemas.GoogleAppsCardV1Column.properties.verticalAlignment.description
- schemas.GoogleAppsCardV1Columns.description
- schemas.GoogleAppsCardV1DateTimePicker.description
- schemas.GoogleAppsCardV1DecoratedText.description
- schemas.GoogleAppsCardV1Divider.description
- schemas.GoogleAppsCardV1Grid.description
- schemas.GoogleAppsCardV1GridItem.description
- schemas.GoogleAppsCardV1Icon.description
- schemas.GoogleAppsCardV1Image.description
- schemas.GoogleAppsCardV1ImageComponent.description
- schemas.GoogleAppsCardV1ImageCropStyle.description
- schemas.GoogleAppsCardV1OnClick.description
- schemas.GoogleAppsCardV1OnClick.properties.card.description
- schemas.GoogleAppsCardV1OnClick.properties.openDynamicLinkAction.description
- schemas.GoogleAppsCardV1OpenLink.description
- schemas.GoogleAppsCardV1OpenLink.properties.onClose.description
- schemas.GoogleAppsCardV1OpenLink.properties.openAs.description
- schemas.GoogleAppsCardV1PlatformDataSource.description
- schemas.GoogleAppsCardV1Section.description
- schemas.GoogleAppsCardV1SelectionInput.description
- schemas.GoogleAppsCardV1SelectionInput.properties.type.enumDescriptions
- schemas.GoogleAppsCardV1SelectionItem.description
- schemas.GoogleAppsCardV1SuggestionItem.description
- schemas.GoogleAppsCardV1Suggestions.description
- schemas.GoogleAppsCardV1SwitchControl.description
- schemas.GoogleAppsCardV1SwitchControl.properties.controlType.description
- schemas.GoogleAppsCardV1TextInput.description
- schemas.GoogleAppsCardV1TextInput.properties.autoCompleteAction.description
- schemas.GoogleAppsCardV1TextInput.properties.initialSuggestions.description
- schemas.GoogleAppsCardV1TextInput.properties.placeholderText.description
- schemas.GoogleAppsCardV1TextParagraph.description
- schemas.GoogleAppsCardV1Widget.properties.grid.description
- schemas.GoogleAppsCardV1Widgets.description
- schemas.HostAppDataSourceMarkup.description
- schemas.Membership.properties.createTime.description
- schemas.Message.properties.clientAssignedMessageId.description
- schemas.Message.properties.createTime.description
- schemas.Message.properties.name.description
- schemas.SpaceDataSource.description