chore: upgrade to nextjs 14

Author: iammarkps

package.json

@@ -65,8 +65,8 @@
     "framer-motion": "10.16.4",
     "fuse.js": "6.6.2",
     "katex": "0.16.8",
-    "next": "13.5.3",
-    "next-auth": "4.23.1",
+    "next": "14.0.0",
+    "next-auth": "4.24.3",
     "next-mdx-remote": "4.4.1",
     "next-themes": "0.2.1",
     "prism-react-renderer": "1.3.5",
@@ -105,7 +105,7 @@
     "@vitest/coverage-v8": "0.34.6",
     "autoprefixer": "10.4.16",
     "eslint": "8.50.0",
-    "eslint-config-next": "13.5.3",
+    "eslint-config-next": "14.0.0",
     "eslint-config-prettier": "9.0.0",
     "eslint-plugin-import": "2.28.1",
     "eslint-plugin-prettier": "5.0.0",