Redact remote write URL when used for metric label (#9383)
Redact remote write URL when used for metric label (#9383)

Redact any basic auth passwords in the remote write URL (which are
technically allowed although not recommended) when used as metric
labels.

Signed-off-by: Nick Pillitteri <a4f89266df4f4086d49a3bb42c83ad371adb11d4@grafana.com>
prometheus/prometheus,keegancsmith/prometheus,prometheus/prometheus,alileza/prometheus,alileza/prometheus,keegancsmith/prometheus,keegancsmith/prometheus,prometheus/prometheus,alileza/prometheus,keegancsmith/prometheus,alileza/prometheus,prometheus/prometheus,prometheus/prometheus,alileza/prometheus,keegancsmith/prometheus