[skip CI] Translate org.deepin.ds.dock.ts in de [Manual Sync]

70% of minimum 20% translated source file: 'org.deepin.ds.dock.ts'
on 'de'.

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

Author: transifex-integration[bot]

panels/dock/translations/org.deepin.ds.dock_de.ts

@@ -65,5 +65,9 @@
         <source>Dock Settings</source>
         <translation>Dock-Einstellungen</translation>
     </message>
+    <message>
+        <source>Lock the Dock</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 </TS>