Add week number to model

models/reporting/kpis/kpis__product_guest_daily_metrics.sql

@@ -5,6 +5,7 @@ with
 
 select
     date_day as date_day,
+    date_week as date_week,
     py_date_day as py_date_day,
     has_payment as has_payment,
     has_id_check as has_id_check,

models/reporting/kpis/schema.yml

@@ -28,6 +28,12 @@ models:
         tests:
           - not_null
 
+      - name: date_week
+        data_type: string
+        description: "Week number of when Guest Journeys have been completed."
+        tests:
+          - not_null
+
       - name: py_date_day
         data_type: date
         description: |