[Telemetry] Gerrit breach and commit audit

Hi there,

you may have seen the announcement of the gerrit breach[1].

I went through the changes we had in telemetry and I'm confident we were not affected.

In any case, if you happen to see something suspicious, please let me know.

Matthias

[1] http://lists.opendev.org/pipermail/service-announce/2020-October/000011.html