Update CHANGELOG

Author: benoit74

CHANGELOG.md

@@ -10,7 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 - Add utility function to compute ZIM Tags #164, including deduplication #156
-- Add svg2png image conversion function #113
+- Add `conversion.convert_svg2png` image conversion function + support for SVG in `probing.format_for` #113
 
 ## Changed
 - **BREAKING** Renamed `zimscraperlib.image.convertion` to `zimscraperlib.image.conversion` to fix typo