fix(deps): update dependency node-sass to v5

Author: renovate-bot

client/package-lock.json

@@ -13,7 +13,7 @@
     "jquery": "^3.5.1",
     "jwt-decode": "^2.2.0",
     "moment": "^2.29.1",
-    "node-sass": "^4.14.1",
+    "node-sass": "5.0.0",
     "popper.js": "^1.16.1",
     "prop-types": "^15.7.2",
     "react": "^16.14.0",