func name ref correct "qauntile" -> "quantile" (#5834)
func name ref correct "qauntile" -> "quantile" (#5834)

Signed-off-by: ethan <2dca52765acf93a024077590b100d00c3300ed67@daocloud.io>
GoogleCloudPlatform/prometheus,keegancsmith/prometheus,Gouthamve/prometheus,keegancsmith/prometheus,prometheus/prometheus,keegancsmith/prometheus,kangwoo/prometheus,kangwoo/prometheus,kangwoo/prometheus,GoogleCloudPlatform/prometheus,GoogleCloudPlatform/prometheus,GoogleCloudPlatform/prometheus,alileza/prometheus,kangwoo/prometheus,alileza/prometheus,keegancsmith/prometheus,prometheus/prometheus,alileza/prometheus,Gouthamve/prometheus,keegancsmith/prometheus,alileza/prometheus,GoogleCloudPlatform/prometheus,Gouthamve/prometheus,prometheus/prometheus,Gouthamve/prometheus,prometheus/prometheus,prometheus/prometheus,alileza/prometheus