Is your feature request related to a problem? Please describe.
Hedged request is a way to help with long tail latency as mentioned in https://cacm.acm.org/research/the-tail-at-scale/.
This can help reduce P99 latency.

Describe the solution you'd like
Port thanos-io/thanos#7860 to Cortex store gateway.