chore(deps): update vitest monorepo to v4

Author: renovate[bot]

package.json

@@ -102,7 +102,7 @@
     "@types/node": "^20.11.24",
     "@types/semver": "^7.5.8",
     "@types/supertest": "^2.0.12",
-    "@vitest/coverage-v8": "^1.3.0",
+    "@vitest/coverage-v8": "^4.0.0",
     "@vitest/eslint-plugin": "^1.4.0",
     "bumpp": "^9.2.0",
     "cookie-es": "^1.0.0",
@@ -134,7 +134,7 @@
     "typescript": "^5.4.1-rc",
     "typescript-eslint": "^8.46.2",
     "unbuild": "^2.0.0",
-    "vitest": "^1.3.0",
+    "vitest": "^4.0.0",
     "vitest-environment-miniflare": "^2.14.1"
   },
   "prettier": "@kazupon/prettier-config",