Bifrost makes calls to the Caboose Block and CAR fetch API with an already cancelled context

[aarshkshah1992]

CAR Fetches
https://protocollabs.grafana.net/d/6g0_YjBVk/bifrost-caboose-staging?orgId=1&from=now-1h&to=now&editPanel=35

~ 41% of the requests by Bifrost to Caboose for CAR Fetches are made with a context that has already been cancelled.
~ 22% of the requests fail because Bifrost cancels the context while the CAR fetch is in progress.

Block Fetches
https://protocollabs.grafana.net/d/6g0_YjBVk/bifrost-caboose-staging?orgId=1&from=now-1h&to=now&editPanel=36

~ 18% of the requests by Bifrost to Caboose for Block API(Has, Get, Size) are made with a context that has already been cancelled.
~ 21% of the requests fail because Bifrost cancels the context while the Block fetch is in progress.