chore(deps): update dependency @shikijs/vitepress-twoslash to v4 (#21… (#2451)

resolve #2446

vitejs/vite@4da4eb9
の反映です。

Author: shuuji3

package.json

@@ -8,7 +8,7 @@
     "lint": "textlint --format pretty-error \"**/*.md\""
   },
   "devDependencies": {
-    "@shikijs/vitepress-twoslash": "^3.22.0",
+    "@shikijs/vitepress-twoslash": "^4.0.0",
     "@type-challenges/utils": "^0.1.1",
     "@types/express": "^5.0.6",
     "@types/node": "^22.19.11",