codahale/hdrhistogram repo url has been transferred under the github HdrHstogram umbrella

## Problem

The codahale/hdrhistogram repo has been transferred under the github HdrHstogram umbrella with the help from the original author in Sept 2020 (new repo url https://github.com/HdrHistogram/hdrhistogram-go). The main reasons are to group all implementations under the same roof and to provide more active contribution from the community as the original repository was archived several years ago.

The dependency URL should be modified to point to the new repository URL. The tag "v0.9.0" was applied at the point of transfer and will reflect the exact code that was frozen in the original repository.

If you are using Go modules, you can update to the exact point of transfer using the @v0.9.0 tag in your go get command.
```
go mod edit -replace github.com/codahale/hdrhistogram=github.com/HdrHistogram/hdrhistogram-go@v0.9.0
```

## Performance Improvements

From the point of transfer, up until now (mon 16 aug 2021), we've released 3 versions that aim support the standard HdrHistogram serialization/exposition formats, and deeply improve READ performance.
We recommend to update to the latest version.

Start by locating the Go module dependency for github.com/codahale/hdrhistogram and reviewing the module metadata. Update its repository path to github.com/HdrHistogram/hdrhistogram-go, preserving the v0.9.0 transfer tag if needed. Done means the old URL is no longer referenced and the dependency resolves.

Written by the indexing model from the issue text.