Update change log

Author: jim-easterbrook

CHANGELOG.txt

@@ -1,6 +1,6 @@
 python-gphoto2 - Python interface to libgphoto2
 http://github.com/jim-easterbrook/python-gphoto2
-Copyright (C) 2014-22  Jim Easterbrook  jim@jim-easterbrook.me.uk
+Copyright (C) 2014-23  Jim Easterbrook  jim@jim-easterbrook.me.uk
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -15,6 +15,12 @@ GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+Changes in 2.3.5:
+  1/ Add Python 3.11 binary wheels.
+  2/ Drop support for libgphoto2 before version v2.5.10
+  3/ Clearer installation documentation.
+  4/ Modernised Python package build system.
+
 Changes in 2.3.4:
   1/ Update libgphoto2 to v2.5.30.
   2/ Include localisation files in Python package.