Also transmit ci-redis, ci-unicorn and ci-sidekiq logs with remote_syslog

The three CI services are currently forgotten by remote_syslog:

https://gitlab.com/gitlab-org/omnibus-gitlab/blob/69b797a679233ba4eea40b0eb9a0baf24669cbe9/files/gitlab-cookbooks/gitlab/attributes/default.rb#L331