chore(deps): update next.js to v14.2.3

Author: renovate[bot]

package.json

@@ -66,7 +66,7 @@
     "framer-motion": "11.1.7",
     "fuse.js": "7.0.0",
     "katex": "0.16.10",
-    "next": "14.1.4",
+    "next": "14.2.3",
     "next-auth": "4.24.7",
     "next-mdx-remote": "4.4.1",
     "next-themes": "0.3.0",
@@ -106,7 +106,7 @@
     "@vitest/coverage-v8": "1.6.0",
     "autoprefixer": "10.4.19",
     "eslint": "8.57.0",
-    "eslint-config-next": "14.1.4",
+    "eslint-config-next": "14.2.3",
     "eslint-config-prettier": "9.1.0",
     "eslint-plugin-import": "2.29.1",
     "eslint-plugin-prettier": "5.1.3",