Bump redis from 2.8.0 to 3.0.2

Bumps [redis](https://github.com/NodeRedis/node-redis) from 2.8.0 to 3.0.2.
- [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/v.2.8.0...v3.0.2)

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

package.json

@@ -78,7 +78,7 @@
     "node-uuid": "^1.4.8",
     "passwords": "^1.3.1",
     "pg": "^7.18.1",
-    "redis": "^2.8.0",
+    "redis": "^3.0.2",
     "sequelize": "^5.21.3",
     "smooth-scroll": "^16.1.2",
     "statsy": "~0.2.0",