chore: bump typescript

Author: kazupon

bun.lockb

@@ -117,7 +117,7 @@
     "supertest": "^6.3.3",
     "playwright": "^1.38.1",
     "pkg-types": "^1.0.2",
-    "typescript": "^5.3.3",
+    "typescript": "^5.4.1-rc",
     "unbuild": "^2.0.0",
     "vitest": "^1.3.0",
     "vitest-environment-miniflare": "^2.14.1"