UID2-7289: upgrade shell-quote to 1.8.4 via npm overrides (CVE-2026-9277) (#194)

Add shell-quote: ^1.8.4 to overrides in both react-client-side package.json
files and regenerate their package-lock.json files.

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: cYKatherine

web-integrations/google-secure-signals/react-client-side/package-lock.json

@@ -39,7 +39,8 @@
     "picomatch": "^2.3.2",
     "lodash": "^4.18.0",
     "@babel/plugin-transform-modules-systemjs": ">=7.29.4",
-    "fast-uri": ">=3.1.2"
+    "fast-uri": ">=3.1.2",
+    "shell-quote": "^1.8.4"
   },
   "scripts": {
     "start": "node server.js",