This is currently done ad-hoc in a bunch of our systems, but we should
just do it centrally.
The commit message is a bit of a lie, as this doesn't yet update
grfn's systems.
Change-Id: Ic771c1a1da78ec5de9cffbf94c296dce5e11fd84
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3047
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>