build(deps-dev): bump vitest from 4.1.8 to 4.1.9 (#1818)

Bumps [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest) from 4.1.8 to 4.1.9.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Changelog](https://github.com/vitest-dev/vitest/blob/main/docs/releases.md)
- [Commits](https://github.com/vitest-dev/vitest/commits/HEAD/packages/vitest)

---
updated-dependencies:
- dependency-name: vitest
  dependency-version: 4.1.9
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

package-lock.json

@@ -49,7 +49,7 @@
         "htmlparser2": "^12.0.0",
         "typescript": "^5.9.3",
         "typescript-eslint": "^8.61.0",
-        "vitest": "^4.1.8"
+        "vitest": "^4.1.9"
     },
     "scripts": {
         "build": "tsc",