chore(deps-dev): bump vitest from 2.1.8 to 2.1.9 (#13342)

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Author: dependabot[bot]

packages/vant/package.json

@@ -69,7 +69,7 @@
     "jsdom": "^25.0.1",
     "typescript": "^5.7.3",
     "vite": "^5.4.14",
-    "vitest": "^2.1.8",
+    "vitest": "^2.1.9",
     "vitest-canvas-mock": "^0.3.3",
     "vue": "^3.5.13",
     "vue-router": "^4.5.0"