Updated link check config

mlc_config.json

@@ -1,7 +1,7 @@
 {
-    "aliveStatusCodes": [200, 206, 400, 403, 503],
+    "aliveStatusCodes": [200, 206, 400, 403, 503, 526],
     "fallbackRetryDelay": "300s",
     "retryOn429": true,
     "retryCount": 5,
-    "timeout": "60s"
+    "timeout": "100s"
 }