Merge branch 'deps/9576993-a4a069f' into 'master'

Update gitlab-org/build/omnibus-mirror/alertmanager from 0.26.0 to 0.27.0

See merge request https://gitlab.com/gitlab-org/omnibus-gitlab/-/merge_requests/7457

Merged-by: Balasankar 'Balu' C <balasankar@gitlab.com>
Approved-by: Clemens Beck <cbeck@gitlab.com>
Approved-by: Balasankar 'Balu' C <balasankar@gitlab.com>
Co-authored-by: deps <bot@dependencies.io>

Author: balasankarc

config/software/alertmanager.rb

@@ -20,7 +20,7 @@
 require "#{Omnibus::Config.project_root}/lib/gitlab/prometheus_helper"
 
 name 'alertmanager'
-version = Gitlab::Version.new('alertmanager', '0.26.0')
+version = Gitlab::Version.new('alertmanager', '0.27.0')
 default_version version.print
 
 license 'APACHE-2.0'