Update CHANGELOG and bump version to 0.15

CHANGELOG.md

 # Changelog
 All notable changes to this project will be documented in this file.
 
+## [0.15] - 22-01-2025
+### Added
+- add fuzzer for cmp_tool
+### Changed
+- error handling is now consistent with the --binary option when model file size does not match original data size
+
 ## [0.14] - 16-01-2025
 ### Added
 - check for model file size mismatch errors

meson.build

 project('cmp_tool', 'c',
-  version : '0.14',
+  version : '0.15',
   meson_version : '>= 0.63',
   license : 'GPL-2.0',
   default_options : [