build(deps): bump redis from 3.1.2 to 4.0.2 (#13757)

Bumps [redis](https://github.com/redis/node-redis) from 3.1.2 to 4.0.2.
- [Release notes](https://github.com/redis/node-redis/releases)
- [Changelog](https://github.com/redis/node-redis/blob/master/CHANGELOG.md)
- [Commits](https://github.com/redis/node-redis/commits)

---
updated-dependencies:
- dependency-name: redis
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -62,7 +62,7 @@
     "pp-ipn": "^1.1.0",
     "ps-tree": "^1.0.0",
     "rate-limiter-flexible": "^2.3.6",
-    "redis": "^3.1.2",
+    "redis": "^4.0.2",
     "regenerator-runtime": "^0.13.9",
     "remove-markdown": "^0.3.0",
     "rimraf": "^3.0.2",