Update dependency vitest to v2.1.6 (#339)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: langehm <38280183+langehm@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -74,7 +74,7 @@
     "typescript": "5.6.3",
     "vite": "5.4.10",
     "vite-plugin-dts": "4.3.0",
-    "vitest": "2.1.5",
+    "vitest": "2.1.6",
     "vue-tsc": "2.1.10"
   }
 }