Fixup durgod/dgk6x (scroll lock mis-defined as num lock) (#19864)

keyboards/durgod/dgk6x/info.json

@@ -1,7 +1,7 @@
 {
     "indicators": {
         "caps_lock": "C4",
-        "num_lock": "A8",
+        "scroll_lock": "A8",
         "on_state": 0
     },
     "processor": "STM32F072", // F070