CLDC-4157: Add a helper script to mark impacted schemes & logs as incomplete

lib/tasks/update_schemes_logs_impacted_by_nursing_level_removal.rake

@@ -0,0 +1,10 @@
+desc "Update schemes that had a level of support of 'Nursing' to be incomplete, and mark all logs that use that scheme as incomplete"
+task update_scheme_registered_under_care_value: :environment do
+  ActiveRecord::Base.transaction do
+    impacted_schemes = Scheme.where(support_type: 5)
+    impacted_logs = LettingsLog.filter_by_year_or_later(2025).where(scheme: impacted_schemes)
+
+    impacted_schemes.update!(support_type: nil, confirmed: false)
+    impacted_logs.update!(scheme: nil)
+  end
+end