title: Update: :Extension: Could not open https://update.joomla.org/core/sts/extension_sts.xml
body: <p>Joomla update error ,
  Update: :Extension: Could not open <a href="https://update.joomla.org/core/sts/extension_sts.xml" rel="noreferrer">https://update.joomla.org/core/sts/extension_sts.xml</a>
   Does any one know how to reslove this issue</p>