[skip CI] Translate org.deepin.ds.dock.taskmanager.ts in nl

100% translated source file: 'org.deepin.ds.dock.taskmanager.ts'
on 'nl'.

Author: transifex-integration[bot]

panels/dock/taskmanager/translations/org.deepin.ds.dock.taskmanager_nl.ts

@@ -53,7 +53,7 @@
     </message>
     <message>
         <source>Close this window</source>
-        <translation type="unfinished"/>
+        <translation>Venster sluiten</translation>
     </message>
 </context>
 <context>