updating engagements_calls tickets to allow for type integer values

Author: dyaffe

airbyte-integrations/connectors/source-hubspot/streams/engagements_calls.patch.json

@@ -6,6 +6,13 @@
               "type": ["null", "integer", "string"],
               "format": "integer"
             }
+          },
+          "tickets": {
+            "type": ["null", "array"],
+            "items": {
+              "type": ["null", "integer", "string"],
+              "format": "integer"
+            }
     }
 }
-}
+}