fix(ruby): handle unknown attributes in index_exists (generated)

algolia/api-clients-automation#4231

Co-authored-by: algolia-bot <[email protected]>
Co-authored-by: Pierre Millot <[email protected]>

Author: algolia-bot

lib/algolia/api/search_client.rb

@@ -3533,13 +3533,16 @@ def replace_all_objects(index_name, objects, batch_size = 1000, request_options
     def index_exists?(index_name)
       begin
         get_settings(index_name)
-      rescue AlgoliaHttpError => e
-        return false if e.code == 404
+      rescue Exception => e
+        if e.is_a?(AlgoliaHttpError)
+          return false if e.code == 404
 
-        raise e
+          raise e
+        end
       end
 
       true
     end
+
   end
 end