Rename redundant to duplicate

lib/tasks/duplicate_rent_periods.rake

@@ -33,7 +33,7 @@ def process_duplicate_rent_periods(log_groups: true)
 end
 
 desc "Find and output each group of duplicate rent periods with counts"
-task find_redundant_rent_periods: :environment do
+task find_duplicate_rent_periods: :environment do
   result = process_duplicate_rent_periods(log_groups: true)
 
   Rails.logger.info "Total number of records: #{OrganisationRentPeriod.count}"

spec/lib/tasks/dupicate_rent_periods_spec.rb

@@ -14,8 +14,8 @@ RSpec.describe "duplicate_rent_periods" do
     end
   end
 
-  describe "find_redundant_rent_periods" do
-    let(:task) { Rake::Task["find_redundant_rent_periods"] }
+  describe "find_duplicate_rent_periods" do
+    let(:task) { Rake::Task["find_duplicate_rent_periods"] }
 
     before do
       task.reenable