Translate Output/Languages/en.xml in de (#731)

100% translated source file: 'Output/Languages/en.xml'
on 'de'.

Co-authored-by: transifex-integration[bot] <43880903+transifex-integration[bot]@users.noreply.github.com>

Output/Languages/de.xml

@@ -20,7 +20,7 @@
   <string name="TR_GAMEMODE_DUET">Duett</string>
   <string name="TR_GAMEMODE_MEDLEY">Medley</string>
   <string name="TR_GAMEMODE_SHORTSONG">Kurz-Version</string>
-  <string name="TR_RATING_VOCAL_HERO">Vocal Hero</string>
+  <string name="TR_RATING_VOCAL_HERO">Gesangslegende</string>
   <string name="TR_RATING_SUPERSTAR">Superstar</string>
   <string name="TR_RATING_LEAD_SINGER">Hit-Künstler</string>
   <string name="TR_RATING_RISING_STAR">Sternchen</string>