fix: upgrade redis from 4.6.11 to 4.6.13

Snyk has created this PR to upgrade redis from 4.6.11 to 4.6.13.

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

See this project in Snyk:
https://app.snyk.io/org/hellotech69/project/7fe8c738-0c38-49a2-aee8-1cabe39ee7d1?utm_source=github&utm_medium=referral&page=upgrade-pr

authentication/package.json

@@ -25,7 +25,7 @@
       "helmet": "^7.0.0",
       "jsonwebtoken": "^9.0.2",
       "mysql": "^2.18.1",
-      "redis": "^4.6.11",
+      "redis": "^4.6.13",
       "reflect-metadata": "^0.2.1",
       "typeorm": "0.3.18",
       "winston": "^3.11.0"