Update docker registry to point to docker hub.

[simonswine]

Most likely a remnant from "before launch" times.

[cyriltovena]

Wondering if this fixes https://github.com/grafana/pyroscope/issues/2109 ?

[simonswine]

Wondering if this fixes grafana/pyroscope#2109 ?

Good point, it can and maybe it should? What do you think?

Will that push to dockerhub too in the CI ?

I think we might need some lightly different secrets for it, but in theory yes.

[cyriltovena]

I want to push to dockerhub only I think so let's see