This module sets up a user with an SSH key and permissions to receive
a (pushed) replica of depot from Gerrit.
This still needs appropriate configuration in Gerrit's replication
plugin on the other end.
This module has been enabled for sanduny. For now it does not (yet)
configure git serving.
Change-Id: I0fb6f7e696609e71008308e855bdf305dcbcd4f7
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5913
Tested-by: BuildkiteCI
Autosubmit: tazjin <tazjin@tvl.su>
Reviewed-by: sterni <sternenseemann@systemli.org>