Update dependency ioredis to v5

Author: renovate[bot]

package-lock.json

@@ -20,7 +20,7 @@
   "dependencies": {
     "express": "^4.17.1",
     "express-winston": "^4.0.5",
-    "ioredis": "^4.20.0",
+    "ioredis": "^5.6.0",
     "superagent": "^6.1.0",
     "winston": "^3.3.3"
   },