Fix Nginx configuration packaging (#1462)

5 jobs from master in 7 minutes and 23 seconds (queued for 5 seconds)
Status Job ID Name Coverage
  Build
passed #8880
build_bionic

00:03:12

passed #8879
build_stretch

00:03:15

 
  Sign
passed #8881
sign

00:00:26

 
  Deploy
passed #8882
pages

00:00:29

passed pages:deploy

00:00:01