Add changelog for 3.30.3

Signed-off-by: tobiasKaminsky <tobias@kaminsky.me>

CHANGELOG.md

@@ -1,3 +1,11 @@
+## 3.30.2 (October 22, 2024)
+
+- Bugfix for two way sync: sync only on wifi
+
+Minimum: NC 16 Server, Android 7.0 Nougat
+
+For a full list, please see https://github.com/nextcloud/android/milestone/99
+
 ## 3.30.1 (October 11, 2024)
 
 - Bugfixes