BB2-4642: Update immutable in sample client repo to address vulnerability

Author: JamesDemeryNava

client/package.json

@@ -15,7 +15,7 @@
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-router-dom": "^7.13.0",
-    "sass": "1.72.0",
+    "sass": "^1.97.3",
     "typescript": "^4.8.4",
     "vite-plugin-svgr": "^4.3.0",
     "vite-tsconfig-paths": "^5.1.3",
@@ -68,5 +68,8 @@
   },
   "resolutions": {
     "@types/react": "^17.0.2"
+  },
+  "overrides": {
+    "immutable": "^5.1.5"
   }
 }