Increase functions timeout

Author: khmyznikov

host.json

@@ -12,7 +12,7 @@
     "dynamicConcurrencyEnabled": true,
     "snapshotPersistenceEnabled": false
 },
-  "functionTimeout": "00:02:00",
+  "functionTimeout": "00:03:00",
   "extensionBundle": {
     "id": "Microsoft.Azure.Functions.ExtensionBundle",
     "version": "[4.*, 5.0.0)"