fix(deps): update dependency next-plausible to v4

Author: renovate[bot]

frontend/package-lock.json

@@ -22,7 +22,7 @@
     "dayjs": "1.11.20",
     "lodash-es": "4.18.1",
     "next": "16.2.4",
-    "next-plausible": "3.12.5",
+    "next-plausible": "4.0.0",
     "prettier": "3.8.3",
     "prettier-plugin-tailwindcss": "0.7.2",
     "prop-types": "15.8.1",