Disambiguate translation of 'Settings' from 'Preferences'

The 'settings' entry contains the set-up of the printer so Konfiguration is a better word there.

Discovered during investigation of #3971.

resources/i18n/de_DE/cura.po

@@ -4036,7 +4036,7 @@ msgstr "&Ansicht"
 #: /home/ruben/Projects/Cura/resources/qml/Cura.qml:184
 msgctxt "@title:menu"
 msgid "&Settings"
-msgstr "&Einstellungen"
+msgstr "&Konfiguration"
 
 #: /home/ruben/Projects/Cura/resources/qml/Cura.qml:186
 msgctxt "@title:menu menubar:toplevel"