Update Changelog for changes since version 20231003.0.

Author: nmisch

Changelog

@@ -1,5 +1,11 @@
 Revision history for Perl extension IPC::Run
 
+NEXT
+ - #172 - Reduce delays in detecting child exit
+ - #174 - Add quickstart section at the top of the docs
+ - #177 - Retry _read() on EINTR, instead of losing pipe contents.
+ - In test suite, work around bug in NetBSD 10.
+
 20231003.0 Mon Oct 2 2023
  Windows now matches other platforms in that a child calling exit(N) causes
  result() to return N and full_result() to return N << 8.  On Windows, before