Bump @types/lodash from 4.14.170 to 4.14.171 in /backend

Bumps [@types/lodash](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/lodash) from 4.14.170 to 4.14.171.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/lodash)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

backend/package.json

@@ -13,7 +13,7 @@
     "uuid": "^8.3.2"
   },
   "devDependencies": {
-    "@types/lodash": "4.14.170",
+    "@types/lodash": "4.14.171",
     "@types/socket.io": "^2.1.13",
     "@types/uuid": "^7.0.0",
     "ts-node-dev": "^1.0.0-pre.60",

backend/yarn.lock

@@ -9,10 +9,10 @@
   dependencies:
     "@types/node" "*"
 
-"@types/[email protected].170":
-  version "4.14.170"
-  resolved "https://registry.yarnpkg.com/@types/lodash/-/lodash-4.14.170.tgz#0d67711d4bf7f4ca5147e9091b847479b87925d6"
-  integrity sha512-bpcvu/MKHHeYX+qeEN8GE7DIravODWdACVA1ctevD8CN24RhPZIKMn9ntfAsrvLfSX3cR5RrBKAbYm9bGs0A+Q==
+"@types/[email protected].171":
+  version "4.14.171"
+  resolved "https://registry.yarnpkg.com/@types/lodash/-/lodash-4.14.171.tgz#f01b3a5fe3499e34b622c362a46a609fdb23573b"
+  integrity sha512-7eQ2xYLLI/LsicL2nejW9Wyko3lcpN6O/z0ZLHrEQsg280zIdCv1t/0m6UtBjUHokCGBQ3gYTbHzDkZ1xOBwwg==
 
 "@types/node@*":
   version "13.9.0"