CLDC-3483 Update logger statements (#2468)

* Update logger statements

* Update test

lib/tasks/fix_nil_letting_allocation_values.rake

@@ -20,6 +20,6 @@ task fix_nil_letting_allocation_values: :environment do
 
     next if log.save
 
-    Rails.logger.log("NilLettingsAllocationValues: Unable to save changes to log #{log.id}")
+    Rails.logger.info("NilLettingsAllocationValues: Unable to save changes to log #{log.id}")
   end
 end

spec/lib/tasks/fix_nil_letting_allocation_values_spec.rb

@@ -66,7 +66,7 @@ RSpec.describe "fix_nil_letting_allocation_values" do
     it "logs the log id if the change cannot be saved" do
       log = create(:lettings_log, :ignore_validation_errors, :setup_completed, startdate: Time.zone.local(2022, 4, 1), cbl: 1, chr: nil, cap: nil, letting_allocation_unknown: nil)
 
-      expect(Rails.logger).to receive(:log).with(match(/log #{log.id}/))
+      expect(Rails.logger).to receive(:info).with(match(/log #{log.id}/))
       task.invoke
     end
   end