GIT_SILENT Update Appstream for new release

desktop/org.kde.kdf.appdata.xml

@@ -159,10 +159,10 @@
   </provides>
   <launchable type="desktop-id">org.kde.kdf.desktop</launchable>
   <releases>
+    <release version="22.08.3" date="2022-11-03"/>
     <release version="22.08.2" date="2022-10-13"/>
     <release version="22.08.1" date="2022-09-08"/>
     <release version="22.08.0" date="2022-08-18"/>
-    <release version="22.04.3" date="2022-07-07"/>
   </releases>
   <content_rating type="oars-1.1"/>
 </component>