GIT_SILENT Update Appstream for new release

org.kde.elisa.appdata.xml

@@ -147,9 +147,9 @@
   <project_group>KDE</project_group>
   <content_rating type="oars-1.0"/>
   <releases>
+    <release version="19.12.3" date="2020-03-05"/>
     <release version="19.12.2" date="2020-02-06"/>
     <release version="19.12.1" date="2020-01-09"/>
     <release version="19.12.0" date="2019-12-12"/>
-    <release version="19.11.80" date="2019-11-14"/>
   </releases>
 </component>