minor: Update Changes

Author: xdg

Changes

@@ -22,6 +22,8 @@ Release notes for HTTP-Tiny
  - Ignore SIGPIPE on reads as well as writes, as IO::Socket::SSL says that
  SSL reads can also send writes as a side effect.
 
+ - Check if a server has closed a connection before preserving it for reuse.
+
  [DOCS]
 
  - Clarified that exceptions/errors result in 599 status codes.