Fix TSDB head struct dump on querier error (#8379)
Fix TSDB head struct dump on querier error (#8379)

* Fix TSDB head struct dump on querier error

Signed-off-by: Marco Pracucci <3829486b93ec44395f0b980424bae9b6fb07b7bc@pracucci.com>

* Added mint/maxt to RangeHead.String()

Signed-off-by: Marco Pracucci <3829486b93ec44395f0b980424bae9b6fb07b7bc@pracucci.com>
prometheus/prometheus,alileza/prometheus,prometheus/prometheus,keegancsmith/prometheus,keegancsmith/prometheus,GoogleCloudPlatform/prometheus,prometheus/prometheus,GoogleCloudPlatform/prometheus,keegancsmith/prometheus,alileza/prometheus,alileza/prometheus,prometheus/prometheus,keegancsmith/prometheus,GoogleCloudPlatform/prometheus,alileza/prometheus,GoogleCloudPlatform/prometheus,keegancsmith/prometheus,alileza/prometheus,GoogleCloudPlatform/prometheus,prometheus/prometheus