chore(deps-dev): Bump mock-xmlhttprequest from 8.3.0 to 8.4.0

Bumps [mock-xmlhttprequest](https://github.com/berniegp/mock-xmlhttprequest) from 8.3.0 to 8.4.0.
- [Release notes](https://github.com/berniegp/mock-xmlhttprequest/releases)
- [Commits](berniegp/mock-xmlhttprequest@v8.3.0...v8.4.0)

---
updated-dependencies:
- dependency-name: mock-xmlhttprequest
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -56,7 +56,7 @@
     "@vitest/coverage-v8": "^1.6.0",
     "@zamiell/typedoc-plugin-not-exported": "^0.3.0",
     "gettext-parser": "^8.0.0",
-    "mock-xmlhttprequest": "^8.3.0",
+    "mock-xmlhttprequest": "^8.4.0",
     "typedoc": "^0.26.11",
     "vite": "^5.4.10",
     "vitest": "^1.5.0"