chore(deps): update nextjs monorepo to v15

Author: renovate[bot]

package.json

@@ -24,7 +24,7 @@
     "@vitest/coverage-v8": "0.34.6",
     "cpy": "10.1.0",
     "eslint": "8.57.1",
-    "eslint-config-next": "14.2.18",
+    "eslint-config-next": "15.0.3",
     "eslint-config-prettier": "9.1.0",
     "eslint-plugin-prettier": "5.2.1",
     "execa": "7.2.0",

packages/website/package.json

@@ -19,7 +19,7 @@
     "@types/react-dom": "18.3.1",
     "@uiw/react-codemirror": "4.23.6",
     "clsx": "2.1.1",
-    "next": "14.2.18",
+    "next": "15.0.3",
     "next-themes": "0.4.3",
     "nextra": "3.2.3",
     "nextra-theme-docs": "3.2.3",