Commit 2c4bbb54 for libheif

commit 2c4bbb54c2738d4a5efbbe3e5fa1d5d76bb88eb0
Author: Dirk Farin <dirk.farin@gmail.com>
Date:   Fri Jun 26 10:21:07 2026 +0200

    increase version to v1.23.1

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2d90d5a8..df49ec7b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required (VERSION 3.16.3) # Oldest Ubuntu LTS (20.04 currently)

-project(libheif LANGUAGES C CXX VERSION 1.23.0)
+project(libheif LANGUAGES C CXX VERSION 1.23.1)

 # compatibility_version is never allowed to be decreased for any specific SONAME.
 # Libtool in the libheif-1.15.1 release had set it to 17.0.0, so we have to use this for the v1.x.y versions.