Add state to trial lead service

- for tracking of state on leads.

ee/app/controllers/trials_controller.rb

@@ -131,7 +131,7 @@ class TrialsController < ApplicationController
 
   def company_params
     params.permit(:company_name, :company_size, :first_name, :last_name, :phone_number,
-                  :country, :glm_content, :glm_source).merge(extra_params)
+                  :country, :state, :glm_content, :glm_source).merge(extra_params)
   end
 
   def extra_params

ee/spec/controllers/trials_controller_spec.rb

@@ -184,7 +184,8 @@ RSpec.describe TrialsController, :saas do
           first_name: user.first_name,
           last_name: user.last_name,
           phone_number: '1111111111',
-          country: 'IN',
+          country: 'US',
+          state: 'CA',
           glm_content: 'free-billing',
           glm_source: 'about.gitlab.com'
         }
@@ -209,7 +210,8 @@ RSpec.describe TrialsController, :saas do
           first_name: user.first_name,
           last_name: user.last_name,
           phone_number: '1111111111',
-          country: 'IN',
+          country: 'US',
+          state: 'CA',
           glm_content: 'free-billing',
           glm_source: 'about.gitlab.com',
           work_email: user.email,