refactor: use change_table in migrations

db/migrate/20240304103216_add_address_input_fields_to_lettings_log.rb

@@ -1,6 +1,8 @@
 class AddAddressInputFieldsToLettingsLog < ActiveRecord::Migration[7.0]
   def change
-    add_column :lettings_logs, :address_line1_input, :string
-    add_column :lettings_logs, :postcode_full_input, :string
+    change_table :lettings_logs, bulk: true do |t|
+      t.string :address_line1_input
+      t.string :postcode_full_input
+    end
   end
 end

db/migrate/20240304115940_add_address_lookup_fields_to_sales_logs.rb

@@ -1,7 +1,9 @@
 class AddAddressLookupFieldsToSalesLogs < ActiveRecord::Migration[7.0]
   def change
-    add_column :sales_logs, :address_selection, :integer
-    add_column :sales_logs, :address_line1_input, :string
-    add_column :sales_logs, :postcode_full_input, :string
+    change_table :sales_logs, bulk: true do |t|
+      t.integer :address_selection
+      t.string :address_line1_input
+      t.string :postcode_full_input
+    end
   end
 end