Update to add Style/OpenStructUse offences
Update to add Style/OpenStructUse offences

Use of `OpenStruct` needs to be changed in line with current recommendation
(see https://docs.ruby-lang.org/en/3.0.0/OpenStruct.html#class-OpenStruct-label-Caveats)
but there isn't a quick fix.

ministryofjustice/advocate-defence-payments,ministryofjustice/advocate-defence-payments,ministryofjustice/advocate-defence-payments,ministryofjustice/advocate-defence-payments