improved translation

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

translations/src/main/resources/de.json

@@ -204,7 +204,7 @@
   "state_new":"neu",
   "state_open": "offen",
   "state_payed": "bezahlt",
-  "state_pending": "ausstehend",
+  "state_pending": "wartend",
   "state_sent": "versendet",
   "state_started": "gestartet",
   "status" : {