chore(deps): update devdependency @docsearch/js to v4

Author: renovate[bot]

package.json

@@ -51,7 +51,7 @@
   },
   "devDependencies": {
     "@docsearch/css": "^3.0.0",
-    "@docsearch/js": "^3.0.0",
+    "@docsearch/js": "^4.4.0",
     "@nuxt/module-builder": "latest",
     "@nuxtjs/eslint-config-typescript": "latest",
     "eslint": "latest",