Bump redis from 3.0.2 to 3.1.1

Bumps [redis](https://github.com/NodeRedis/node-redis) from 3.0.2 to 3.1.1.
- [Release notes](https://github.com/NodeRedis/node-redis/releases)
- [Changelog](https://github.com/NodeRedis/node-redis/blob/master/CHANGELOG.md)
- [Commits](https://github.com/NodeRedis/node-redis/compare/v3.0.2...v3.1.1)

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -21,7 +21,7 @@
     "iso8601-duration": "^1.2.0",
     "node-fetch": "^2.6.0",
     "pg": "^8.5.1",
-    "redis": "^3.0.2",
+    "redis": "^3.1.1",
     "sync-mysql": "^3.0.1",
     "uuid": "^3.3.2",
     "youtube-api": "^3.0.1"