CLDC-4156: Update rake name

lib/tasks/update_scheme_registered_under_care_value.rake

@@ -1,4 +1,4 @@
 desc "Alter registered under care act values for lettings logs in the database to 5 if they are 3 or 4, as these options are being deprecated"
-task correct_scheme_registered_under_care_value: :environment do
+task update_scheme_registered_under_care_value: :environment do
   Scheme.where(registered_under_care_act: [3, 4]).update!(registered_under_care_act: 5)
 end