Merge branch 'sh-bump-docker-distribution-pruner' into 'master'

Bump docker-distribution-pruner to v0.3.1

See merge request https://gitlab.com/gitlab-org/omnibus-gitlab/-/merge_requests/8111



Merged-by: Jason Plum <jplum@gitlab.com>
Approved-by: Jason Plum <jplum@gitlab.com>
Approved-by: Andrew Patterson <apatterson@gitlab.com>
Co-authored-by: Stan Hu <stanhu@gmail.com>

config/software/docker-distribution-pruner.rb

@@ -15,7 +15,7 @@
 # limitations under the License.
 #
 require "#{Omnibus::Config.project_root}/lib/gitlab/version"
-version = Gitlab::Version.new('docker-distribution-pruner', '0.2.0')
+version = Gitlab::Version.new('docker-distribution-pruner', '0.3.1')
 name 'docker-distribution-pruner'
 default_version version.print