Changes to Get error signals over time

added ErrorClass to the error_class request property allOf list

removed the enum value client_cancelled of the request property error_class

removed the enum value network_transient of the request property error_class

removed the enum value provider_down of the request property error_class

removed the enum value provider_overloaded of the request property error_class

removed the enum value provider_rate_limit of the request property error_class

removed the enum value provider_timeout of the request property error_class

removed the enum value respan_config of the request property error_class

removed the enum value respan_internal of the request property error_class

removed the enum value respan_managed_auth of the request property error_class

removed the enum value respan_managed_billing of the request property error_class

removed the enum value unknown of the request property error_class

removed the enum value user_auth_byok of the request property error_class

removed the enum value user_content_policy of the request property error_class

removed the enum value user_context_window of the request property error_class

removed the enum value user_invalid_request of the request property error_class

removed the enum value user_payload_too_large of the request property error_class

removed the enum value user_quota of the request property error_class

removed the enum value user_rate_limit of the request property error_class

the error_class request property type changed from string to no type

api operation id errorGroups_getErrorTimeSeries removed and replaced with getErrorTimeSeries

api tag Error Groups added

api tag errorGroups removed

endpoint added