chore: deprecate create list for trackers

Author: Justintime50

examples

@@ -30,6 +30,7 @@ def all(params = {})
   end
 
   # Create multiple Tracker objects in bulk.
+  # <b>DEPRECATED:</b> Please use <tt>create</tt> instead. This function will be removed in a future release.
   def create_list(params = {})
     wrapped_params = { 'trackers' => params }
 

lib/easypost/services/tracker.rb

@@ -76,13 +76,13 @@
       # Test lowest rate with no filters
       lowest_rate = shipment.lowest_rate
       expect(lowest_rate.service).to eq('GroundAdvantage')
-      expect(lowest_rate.rate).to eq('5.93')
+      expect(lowest_rate.rate).to eq('11.33')
       expect(lowest_rate.carrier).to eq('USPS')
 
       # Test lowest rate with service filter (this rate is higher than the lowest but should filter)
       lowest_rate = shipment.lowest_rate([], ['Priority'])
       expect(lowest_rate.service).to eq('Priority')
-      expect(lowest_rate.rate).to eq('6.88')
+      expect(lowest_rate.rate).to eq('13.79')
       expect(lowest_rate.carrier).to eq('USPS')
 
       # Test lowest rate with carrier filter (should error due to bad carrier)