Creates or updates environment variables for an application by its ID.
appId-orgId.success if successful, error if not.error if not successful.UNAUTHORIZED: The user is not authenticated or lacks sufficient permissions.FORBIDDEN: The user does not have permission to access the application.APP_NOT_FOUND: The specified application does not exist.INVALID_BODY: The request body is not a valid array or is empty.INVALID_ENVIRONMENT: One or more environment variables are invalid or use forbidden keys.ENV_VARIABLE_TOO_LONG: An environment variable key or value exceeds length limits.ENV_LIMIT_EXCEEDED: The total number of environment variables exceeds the limit of 25.