Update strftime formats link in the documentation (#9624)

Author: deepakangadi

docs/api-guide/settings.md

@@ -460,4 +460,4 @@ Default: `None`
 [cite]: https://www.python.org/dev/peps/pep-0020/
 [rfc4627]: https://www.ietf.org/rfc/rfc4627.txt
 [heroku-minified-json]: https://github.com/interagent/http-api-design#keep-json-minified-in-all-responses
-[strftime]: https://docs.python.org/3/library/time.html#time.strftime
+[strftime]: https://docs.python.org/3/library/datetime.html#strftime-and-strptime-format-codes