build: update dev-dependency vitest from 4.1.5 to 4.1.6

Author: renovate[bot]

bun.lockb

@@ -89,7 +89,7 @@
     "tsc-output-format": "1.1.1",
     "type-coverage": "2.29.7",
     "typescript": "6.0.3",
-    "vitest": "4.1.5"
+    "vitest": "4.1.6"
   },
   "peerDependencies": {
     "typescript": "^5 || ^6"