feat(chat)!: update the API

BREAKING CHANGE: This release has breaking changes.

#### chat:v1

The following keys were deleted:
- schemas.GoogleAppsCardV1SelectionItem.properties.startIconUri.description

The following keys were added:
- auth.oauth2.scopes.https://www.googleapis.com/auth/chat.customemojis.description
- auth.oauth2.scopes.https://www.googleapis.com/auth/chat.customemojis.readonly.description
- resources.customEmojis.methods.create.description
- resources.customEmojis.methods.create.flatPath
- resources.customEmojis.methods.create.httpMethod
- resources.customEmojis.methods.create.id
- resources.customEmojis.methods.create.parameterOrder
- resources.customEmojis.methods.create.path
- resources.customEmojis.methods.create.request.$ref
- resources.customEmojis.methods.create.response.$ref
- resources.customEmojis.methods.create.scopes
- resources.customEmojis.methods.delete.description
- resources.customEmojis.methods.delete.flatPath
- resources.customEmojis.methods.delete.httpMethod
- resources.customEmojis.methods.delete.id
- resources.customEmojis.methods.delete.parameterOrder
- resources.customEmojis.methods.delete.parameters.name.description
- resources.customEmojis.methods.delete.parameters.name.location
- resources.customEmojis.methods.delete.parameters.name.pattern
- resources.customEmojis.methods.delete.parameters.name.required
- resources.customEmojis.methods.delete.parameters.name.type
- resources.customEmojis.methods.delete.path
- resources.customEmojis.methods.delete.response.$ref
- resources.customEmojis.methods.delete.scopes
- resources.customEmojis.methods.get.description
- resources.customEmojis.methods.get.flatPath
- resources.customEmojis.methods.get.httpMethod
- resources.customEmojis.methods.get.id
- resources.customEmojis.methods.get.parameterOrder
- resources.customEmojis.methods.get.parameters.name.description
- resources.customEmojis.methods.get.parameters.name.location
- resources.customEmojis.methods.get.parameters.name.pattern
- resources.customEmojis.methods.get.parameters.name.required
- resources.customEmojis.methods.get.parameters.name.type
- resources.customEmojis.methods.get.path
- resources.customEmojis.methods.get.response.$ref
- resources.customEmojis.methods.get.scopes
- resources.customEmojis.methods.list.description
- resources.customEmojis.methods.list.flatPath
- resources.customEmojis.methods.list.httpMethod
- resources.customEmojis.methods.list.id
- resources.customEmojis.methods.list.parameterOrder
- resources.customEmojis.methods.list.parameters.filter.description
- resources.customEmojis.methods.list.parameters.filter.location
- resources.customEmojis.methods.list.parameters.filter.type
- resources.customEmojis.methods.list.parameters.pageSize.description
- resources.customEmojis.methods.list.parameters.pageSize.format
- resources.customEmojis.methods.list.parameters.pageSize.location
- resources.customEmojis.methods.list.parameters.pageSize.type
- resources.customEmojis.methods.list.parameters.pageToken.description
- resources.customEmojis.methods.list.parameters.pageToken.location
- resources.customEmojis.methods.list.parameters.pageToken.type
- resources.customEmojis.methods.list.path
- resources.customEmojis.methods.list.response.$ref
- resources.customEmojis.methods.list.scopes
- schemas.CustomEmoji.properties.emojiName.description
- schemas.CustomEmoji.properties.emojiName.type
- schemas.CustomEmoji.properties.name.description
- schemas.CustomEmoji.properties.name.type
- schemas.CustomEmoji.properties.payload.$ref
- schemas.CustomEmoji.properties.payload.description
- schemas.CustomEmoji.properties.temporaryImageUri.description
- schemas.CustomEmoji.properties.temporaryImageUri.readOnly
- schemas.CustomEmoji.properties.temporaryImageUri.type
- schemas.CustomEmojiPayload.description
- schemas.CustomEmojiPayload.id
- schemas.CustomEmojiPayload.properties.fileContent.description
- schemas.CustomEmojiPayload.properties.fileContent.format
- schemas.CustomEmojiPayload.properties.fileContent.type
- schemas.CustomEmojiPayload.properties.filename.description
- schemas.CustomEmojiPayload.properties.filename.type
- schemas.CustomEmojiPayload.type
- schemas.GoogleAppsCardV1SelectionItem.properties.materialIcon.$ref
- schemas.ListCustomEmojisResponse.description
- schemas.ListCustomEmojisResponse.id
- schemas.ListCustomEmojisResponse.properties.customEmojis.description
- schemas.ListCustomEmojisResponse.properties.customEmojis.items.$ref
- schemas.ListCustomEmojisResponse.properties.customEmojis.type
- schemas.ListCustomEmojisResponse.properties.nextPageToken.description
- schemas.ListCustomEmojisResponse.properties.nextPageToken.type
- schemas.ListCustomEmojisResponse.type

The following keys were changed:
- resources.spaces.resources.members.methods.delete.description
- resources.spaces.resources.members.methods.delete.parameters.name.description
- resources.spaces.resources.messages.resources.reactions.methods.list.parameters.filter.description
- resources.spaces.resources.spaceEvents.methods.get.scopes
- resources.spaces.resources.spaceEvents.methods.list.scopes
- schemas.CustomEmoji.description
- schemas.GoogleAppsCardV1BorderStyle.properties.type.enumDescriptions

Author: yoshi-automation