serialize table renamed to to_string

Author: simon-massa

lua/CopilotChat/config/providers.lua

@@ -314,7 +314,7 @@ M.copilot = {
   end,
 
   get_models = function(headers)
-    log.info('getting models .. headers: ' .. utils.serializeTable(headers))
+    log.info('getting models .. headers: ' .. utils.to_string(headers))
     local response, err = utils.curl_get(M.endpoints_api .. '/models', {
       json_response = true,
       headers = headers,