[PR #5977/a3c85e9d backport][3.8] Docs: Add aiohttp-socks to third pa…

…rty libraries (#6058)

Co-authored-by: rigens <68144278+rigens@users.noreply.github.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

docs/third_party.rst

@@ -280,3 +280,6 @@ ask to raise the status.
 
 - `aiohttp-retry <https://github.com/inyutin/aiohttp_retry>`_
   Wrapper for aiohttp client for retrying requests. Python 3.6+ required.
+
+- `aiohttp-socks <https://github.com/romis2012/aiohttp-socks>`_
+  SOCKS proxy connector for aiohttp.