Update dependency typescript to v7

Author: renovate[bot]

package.json

@@ -113,7 +113,7 @@
     "react-dom": "19.2.4",
     "react-markdown": "10.1.0",
     "tailwindcss": "4.1.18",
-    "typescript": "5.9.3",
+    "typescript": "7.0.2",
     "typescript-eslint": "8.54.0",
     "vite": "^7.3.3",
     "vitest": "4.0.18"