Update nextjs monorepo to v15

Author: renovate-bot

package.json

@@ -25,7 +25,7 @@
     "@headlessui/react": "^1.7.15",
     "@heroicons/react": "^2.0.18",
     "clsx": "^2.0.0",
-    "next": "13.4.13-canary.15",
+    "next": "15.0.4",
     "react": "18.2.0",
     "react-dom": "18.2.0"
   },
@@ -38,7 +38,7 @@
     "@vercel/git-hooks": "^1.0.0",
     "autoprefixer": "^10.4.14",
     "eslint": "^8.45.0",
-    "eslint-config-next": "^13.4.12",
+    "eslint-config-next": "^15.0.0",
     "eslint-config-prettier": "^8.8.0",
     "eslint-plugin-unicorn": "^48.0.0",
     "lint-staged": "^13.2.3",