chore: Upgrade TypeScript type definitions

- @types/react: 18.3.25 → 19.2.0 (for React 19)
- @types/react-dom: 18.3.7 → 19.2.0 (for React 19)
- @types/node: 20.19.19 → 24.6.2

All type definitions now match the upgraded framework versions.

maternal-web/package.json

@@ -50,9 +50,9 @@
     "@testing-library/react": "^16.3.0",
     "@testing-library/user-event": "^14.6.1",
     "@types/jest": "^30.0.0",
-    "@types/node": "^20",
-    "@types/react": "^18",
-    "@types/react-dom": "^18",
+    "@types/node": "^24.6.2",
+    "@types/react": "^19.2.0",
+    "@types/react-dom": "^19.2.0",
     "identity-obj-proxy": "^3.0.0",
     "jest": "^30.2.0",
     "jest-axe": "^10.0.0",