Fix misformatted error
Ensure the proper error is thrown
Without this we get the following when an error appears:
Traceback (most recent call last):
10: from /opt/gitlab/embedded/bin/omnibus-ctl:23:in `<main>'
9: from /opt/gitlab/embedded/bin/omnibus-ctl:23:in `load'
8: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/omnibus-ctl-0.6.0/bin/omnibus-ctl:31:in `<top (required)>'
7: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/omnibus-ctl-0.6.0/lib/omnibus-ctl.rb:746:in `run'
6: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/omnibus-ctl-0.6.0/lib/omnibus-ctl.rb:204:in `block in add_command_under_category'
5: from /opt/gitlab/embedded/service/omnibus-ctl/pg-upgrade.rb:187:in `block in load_file'
4: from /opt/gitlab/embedded/service/omnibus-ctl/pg-upgrade.rb:329:in `geo_secondary_upgrade'
3: from /opt/gitlab/embedded/service/omnibus-ctl/lib/gitlab_ctl/pg_upgrade.rb:130:in `run_pg_upgrade'
2: from /opt/gitlab/embedded/service/omnibus-ctl/lib/gitlab_ctl/pg_upgrade.rb:130:in `raise'
1: from /opt/gitlab/embedded/service/omnibus-ctl/lib/gitlab_ctl/pg_upgrade.rb:130:in `exception'
/opt/gitlab/embedded/service/omnibus-ctl/lib/gitlab_ctl.rb:27:in `initialize': wrong number of arguments (given 1, expected 3) (ArgumentError)
As seen in #5242 (closed)