gitlab: Sync sidekiq service to upstream

Like for ab578df5.

    $ git diff origin/8-8-stable origin/8-9-stable -- \
      files/gitlab-cookbooks/gitlab/templates/default/sv-sidekiq-run.erb

in omnibus-gitlab repository is empty.

software/gitlab/instance-gitlab.cfg.in

@@ -627,7 +627,7 @@ log     = ${sidekiq-dir:log}
 # NOTE see queue list here:
 # https://gitlab.com/gitlab-org/gitlab-ce/blob/master/Procfile
 # https://gitlab.com/gitlab-org/omnibus-gitlab/blob/master/files/gitlab-cookbooks/gitlab/templates/default/sv-sidekiq-run.erb
-# (last updated for omnibus-gitlab 8.8.9+ce.0-g25376053)
+# (last updated for omnibus-gitlab 8-9-stable 5eb2711e)
 [service-sidekiq]
 recipe  = slapos.cookbook:wrapper
 wrapper-path    = ${directory:service}/sidekiq

software/gitlab/software.cfg

@@ -319,7 +319,7 @@ md5sum  = 9cdae35b959717cdef41cd4c57ccaeb9
 
 [instance-gitlab.cfg.in]
 <= download-file
-md5sum  = b05fad928ffbb689b4415837525c62d1
+md5sum  = 1eb4d9ad99d4396ceaddab5311861f54
 
 [instance-gitlab-export.cfg.in]
 <= download-file