My pmnibus gitlab running version 13.8.4 on ubuntu 18.04 . I am trying to upgrade my omnibus git into 13.11.2 but facing bellow error. what can I do?

Running handlers:
There was an error running gitlab-ctl reconfigure:

bash[migrate gitlab-rails database] (gitlab::database_migrations line 70) had an error: Mixlib::ShellOut::ShellCommandFailed: Expected process to exit with [0], but received ‘1’
---- Begin output of “bash” “/tmp/chef-script20210430-28469-189b2tj” ----
STDOUT: rake aborted!
PG::ConnectionBad: could not connect to server: No route to host
Is the server running on host “10.33.30.55” and accepting
TCP/IP connections on port 5432?
/opt/gitlab/embedded/service/gitlab-rails/lib/tasks/gitlab/db.rake:60:in block (3 levels) in <top (required)>' /opt/gitlab/embedded/bin/bundle:23:in load’
/opt/gitlab/embedded/bin/bundle:23:in `’
Tasks: TOP => gitlab:db:configure
(See full trace by running task with --trace)
STDERR:
---- End output of “bash” “/tmp/chef-script20210430-28469-189b2tj” ----
Ran “bash” “/tmp/chef-script20210430-28469-189b2tj” returned 1

Running handlers complete
Chef Infra Client failed. 0 resources updated in 01 minutes 28 seconds

There was an error running gitlab-ctl reconfigure. Please check the output above for more
details.

dpkg: error processing package gitlab-ce (–configure):
installed gitlab-ce package post-installation script subprocess returned error exit status 1