docs(changelog): Update changelog for version 3.33.0

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

Author: AndyScherzinger

fastlane/metadata/android/en-US/changelogs/30330090.txt

@@ -1,7 +1,10 @@
 ## 3.33.0 (September 10, 2025)
 
+- Migrate to Glide 4
+- Performance improvements
+- Fix gallery image scaling
 - Bugfixes
 
 Minimum: NC 18 Server, Android 8.1 Nougat
 
-For a full list, please see https://github.com/nextcloud/android/milestone/112
+For a full list, please see https://github.com/nextcloud/android/milestone/112