Bump rack from 2.2.8 to 2.2.9 in /config/templates/omnibus-gitlab-gems#58

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dependabot/bundler/config/templates/omnibus-gitlab-gems/rack-2.2.9gitlabhq/omnibus-gitlab:dependabot/bundler/config/templates/omnibus-gitlab-gems/rack-2.2.9Copy head branch name to clipboard