Bump build date (fixes for documentation)

4 jobs for master in 20 minutes and 30 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #65673
test

00:04:03

 
  Build
passed #65674
backend

00:11:53

passed #65675
frontend

00:03:21

passed #65676
stats

00:01:11