[Web] Updated lang.de.json [CI SKIP] (#4600)

[Web] Updated lang.de.json [CI SKIP]

Co-authored-by: Peter <magic@kthx.at>
Co-authored-by: milkmaker <milkmaker@mailcow.de>

Co-authored-by: Peter <magic@kthx.at>

data/web/lang/lang.de.json

@@ -106,7 +106,8 @@
         "timeout2": "Timeout für Verbindung zum lokalen Host",
         "username": "Benutzername",
         "validate": "Validieren",
-        "validation_success": "Erfolgreich validiert"
+        "validation_success": "Erfolgreich validiert",
+        "tags": "Tags"
     },
     "admin": {
         "access": "Zugang",