chore(deps): update dependency vitest to v4 (#220)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -49,7 +49,7 @@
     "prettier": "^3.6.2",
     "tsup": "^8.5.0",
     "typescript": "^5.5.2",
-    "vitest": "^3.2.4"
+    "vitest": "^4.0.6"
   },
   "repository": {
     "type": "git",