Update dependency for hdrhistogram

A dependency for: https://gitlab.com/gitlab-org/gitlab-shell/-/blob/master/go.sum#L48

has changed from: https://github.com/codahale/hdrhistogram to https://github.com/HdrHistogram/hdrhistogram-go

Please see also these two issues: https://github.com/HdrHistogram/hdrhistogram-go/issues/32 https://github.com/HdrHistogram/hdrhistogram-go/issues/30

Thanks.

Also related: gitaly#3190 (closed)