Upgrade next and related (#357)

Author: tstirrat15

next-env.d.ts

@@ -2,4 +2,4 @@
 /// <reference types="next/image-types/global" />
 
 // NOTE: This file should not be edited
-// see https://nextjs.org/docs/pages/building-your-application/configuring/typescript for more information.
+// see https://nextjs.org/docs/pages/api-reference/config/typescript for more information.

package.json

@@ -28,7 +28,7 @@
     "escape-string-regexp": "^5.0.0",
     "flexsearch": "^0.8.143",
     "js-yaml": "^4.1.0",
-    "next": "^14.2.7",
+    "next": "^15.3.3",
     "next-sitemap": "^4.2.3",
     "nextra": "^2.13.4",
     "nextra-theme-docs": "^2.13.4",
@@ -44,8 +44,8 @@
     "@tailwindcss/typography": "^0.5.13",
     "@types/flexsearch": "^0.7.6",
     "@types/js-yaml": "^4.0.9",
-    "@types/node": "18.11.10",
-    "@types/react": "^18.3.3",
+    "@types/node": "22.15.29",
+    "@types/react": "^19.1.6",
     "autoprefixer": "^10.4.19",
     "markdownlint-cli2": "^0.13.0",
     "markdownlint-rule-max-one-sentence-per-line": "^0.0.2",