fix: Redirect old debug guide URL to new URL

Refs: nodejs#6265

Author: richardlau

redirects.json

@@ -112,6 +112,10 @@
       "source": "/:locale/docs/inspector",
       "destination": "/:locale/learn/getting-started/debugging"
     },
+    {
+      "source": "/:locale/docs/guides/debugging-getting-started",
+      "destination": "/:locale/learn/getting-started/debugging"
+    },
     {
       "source": "/:locale/contribute/:path*",
       "destination": "/:locale/get-involved"