Prepare release 1.4.0

Author: mlocati

CHANGELOG.md

@@ -1,7 +1,10 @@
 # CHANGELOG
 
-### NEXT (YYYY-MM-DD)
-
+### 1.4.0 (2024-11-10)
+- If a file couldn't be found, we now throw a NotFoundException exception (#853, @playmono)
+- Add support for webp_lossless to GD and GMagick (#858, @ausi)
+- Use streams in ExifMetadataReader (#861, @ausi)
+- WebP format now supports animation (#812, @Yoann-TYT)
 
 ### 1.3.5 (2023-06-07)
 * Fix PHP 8.2 warnings with Point class (#847, @anovsiradj)