Update dependency winston to ^3.9.0

Author: renovate[bot]

package-lock.json

@@ -20,7 +20,7 @@
     "protobufjs": "^6.10.2",
     "superagent": "^6.1.0",
     "twemoji": "^13.0.1",
-    "winston": "^3.3.3",
+    "winston": "^3.9.0",
     "zeromq": "^6.0.0-beta.6"
   },
   "devDependencies": {