chore(pipeline) : Rename int__unuon_contacts in the models.yml

**double sigh**

Why on earth is it that this models runs **perfectly** when I run the
associated DBT command (with the same select) and not when I use the
`main` DAG ???

pipeline/dbt/models/intermediate/_models.yml

@@ -17,7 +17,7 @@ models:
     data_tests:
       - check_adresse: *union-common-check-args
 
-  - name: int__union__contacts
+  - name: int__union_contacts
     description: |
       Gathers contacts from all sources
     columns: