Bump redis from 3.0.2 to 3.1.1 in /apps/rest-api

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](redis/node-redis@v3.0.2...v3.1.1)

---
updated-dependencies:
- dependency-name: redis
  dependency-type: direct:production
...

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

Author: dependabot[bot]

apps/rest-api/package-lock.json

@@ -15,7 +15,7 @@
     "mariadb": "^2.5.1",
     "morgan": "^1.10.0",
     "promisify": "^0.0.3",
-    "redis": "^3.0.2",
+    "redis": "^3.1.1",
     "winston": "^3.3.3"
   },
   "devDependencies": {
@@ -29,7 +29,7 @@
     "mariadb": "^2.5.1",
     "morgan": "^1.10.0",
     "promisify": "^0.0.3",
-    "redis": "^3.0.2",
+    "redis": "^3.1.1",
     "winston": "^3.3.3"
   },
   "nodemonConfig": {