Extend link check timeout

mlc_config.json

@@ -1,7 +1,7 @@
 {
     "aliveStatusCodes": [200, 206, 400, 403, 503],
-    "fallbackRetryDelay": "60s",
+    "fallbackRetryDelay": "300s",
     "retryOn429": true,
     "retryCount": 5,
-    "timeout": "20s"
+    "timeout": "60s"
 }