fix(deps): update dependency @docsearch/css to v5

Author: renovate[bot]

package-lock.json

@@ -19,7 +19,7 @@
     "serveStatic": "http-server build -p 8001 -c-1"
   },
   "dependencies": {
-    "@docsearch/css": "^4.6.0",
+    "@docsearch/css": "^5.0.0",
     "@docsearch/react": "^4.6.0",
     "@docusaurus/core": "^3.7.0",
     "@docusaurus/plugin-client-redirects": "^3.7.0",