The server will stop processing jobs on the 03/07/2020 at around
23:00 UTC, as the server will be put into "Shutdown mode".
We will be doing the general plugin and LTS update. This is a major LTS
version upgrade, so the jenkins user interface will come back different
Start: 04/07/2020 09:00 UTC
End: 04/07/2020 18:00 UTC