build(deps-dev): bump vitest from 2.1.8 to 2.1.9

Bumps [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest) from 2.1.8 to 2.1.9.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v2.1.9/packages/vitest)

---
updated-dependencies:
- dependency-name: vitest
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -33,7 +33,7 @@
     "typescript": "^5.7.2",
     "vite": "^6.0.10",
     "vite-plugin-dts": "^4.0.3",
-    "vitest": "^2.1.8",
+    "vitest": "^2.1.9",
     "vue-tsc": "^2.0.7"
   }
 }