fix: upgrade redis from 4.6.6 to 4.6.7

Snyk has created this PR to upgrade redis from 4.6.6 to 4.6.7.

See this package in npm:
https://www.npmjs.com/package/redis

See this project in Snyk:
https://app.snyk.io/org/acinader/project/21343059-02d9-4182-87d7-718a44b181ef?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package-lock.json

@@ -54,7 +54,7 @@
     "pg-promise": "11.5.0",
     "pluralize": "8.0.0",
     "rate-limit-redis": "3.0.2",
-    "redis": "4.6.6",
+    "redis": "4.6.7",
     "semver": "7.5.2",
     "subscriptions-transport-ws": "0.11.0",
     "tv4": "1.3.0",