message: docs: release notes for the v13.3.9 release
diff: +<a name="13.3.9"></a>
  +# 13.3.9 (2022-05-18)
  +
  +This release contains API docs improvements.
  +
  +## Special Thanks
  +4javier, Bob Watson, Evan Lee, George Kalpakas, Joey Perrott, Pavan Kumar Jadda, celinetunc and mariu
  +
  +<!-- CHANGELOG SPLIT MARKER -->
  +
  <a name="13.3.8"></a>
  # 13.3.8 (2022-05-12)
  ### language-service
  