Update `German` translation

Currently translated at 100.0% (555 of 555 strings)

Translation: Wiki-Bot/Discord
Translate-URL: https://weblate.frisk.space/projects/wiki-bot/discord/de/

i18n/de.json

@@ -541,6 +541,7 @@
         "currentinline": "Inline-Befehle:",
         "currentlang": "Sprache:",
         "currentprefix": "Präfix:",
+        "currentrole": "Minimale Rolle:",
         "currentwiki": "Standard-Wiki:",
         "dashboard": {
             "channel": "$1 hat die Einstellungen für $2 geändert.",