Chore(deps): Bump redis from 3.0.2 to 3.1.1 in /src

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

)

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

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

src/package.json

@@ -44,7 +44,7 @@
     "papaparse": "^5.3.1",
     "pdfmake": "^0.1.70",
     "pg": "^7.18.2",
-    "redis": "^3.0.2",
+    "redis": "^3.1.1",
     "response_util": "file:libs/response_util",
     "rewire": "^5.0.0",
     "rxjs": "^6.5.4",