[skip CI] Translate dde-launchpad.ts in fr

95% of minimum 50% translated source file: 'dde-launchpad.ts'
on 'fr'.

Sync of partially translated files: 
untranslated content is included with an empty translation 
or source language content depending on file format

translations/dde-launchpad_fr.ts

@@ -192,7 +192,7 @@
     <message>
         <location filename="../qml/Main.qml" line="411"/>
         <source>Are you sure you want to uninstall %1?</source>
-        <translation type="unfinished"/>
+        <translation>Êtes-vous sûr de vouloir désinstaller %1 ? </translation>
     </message>
     <message>
         <location filename="../qml/Main.qml" line="423"/>