Merged PR 3857: Propagate Amount of Properties in HS deal

# Description

Adds the field amount_of_properties to hubspot deals, in intermediate

# Checklist

- [X] The edited models and dependants run properly with production data.
- [X] The edited models are sufficiently documented.
- [X] The edited models contain PK tests, and I've ran and passed them.
- [NA] I have checked for DRY opportunities with other models and docs.
- [NA] I've picked the right materialization for the affected models.

# Other

- [ ] Check if a full-refresh is required after this PR is merged.

Related work items: #25351

models/intermediate/hubspot/int_hubspot__deal.sql

@@ -20,6 +20,7 @@ select
     dps.stage_name as deal_hubspot_stage,
     d.cancellation_category,
     d.cancellation_details,
+    d.amount_of_properties,
     d.created_at_utc,
     d.created_date_utc,
     d.updated_at_utc,

models/intermediate/hubspot/schema.yml

@@ -66,6 +66,12 @@ models:
         data_type: text
         description: Free text with additional comments on why they cancelled the account
 
+      - name: amount_of_properties
+        data_type: integer
+        description: |
+          Amount of properties the owner told us they manage. This is not necessarily the
+          amount of properties that will be finally booked in our business.
+
       - name: created_at_utc
         data_type: timestamp with time zone
         description: Timestamp of when the record was created in Hubspot