Fix fetch company list endpoint

Fetching companies from a paginated list is currently broken.

The issue is described here in more detail: HubSpot#324

This commit implements the fix suggested there which updates the attribute type mapping in CollectionResponseLong to expect an array of hashes.

lib/hubspot/codegen/crm/lists/models/collection_response_long.rb

@@ -39,7 +39,7 @@ def self.acceptable_attributes
         def self.openapi_types
           {
             :'paging' => :'Paging',
-            :'results' => :'Array<Integer>'
+            :'results' => :'Array<Hash<String, String>>',
           }
         end