build(deps-dev): Bump @testing-library/jest-dom from 6.6.3 to 6.6.4

Bumps [@testing-library/jest-dom](https://github.com/testing-library/jest-dom) from 6.6.3 to 6.6.4.
- [Release notes](https://github.com/testing-library/jest-dom/releases)
- [Changelog](https://github.com/testing-library/jest-dom/blob/main/CHANGELOG.md)
- [Commits](testing-library/jest-dom@v6.6.3...v6.6.4)

---
updated-dependencies:
- dependency-name: "@testing-library/jest-dom"
  dependency-version: 6.6.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package.json

@@ -38,7 +38,7 @@
     "@sveltejs/kit": "2.26.1",
     "@sveltejs/vite-plugin-svelte": "6.1.0",
     "@tailwindcss/forms": "0.5.10",
-    "@testing-library/jest-dom": "6.6.3",
+    "@testing-library/jest-dom": "6.6.4",
     "@types/gtag.js": "0.0.20",
     "@types/jsdom": "21.1.7",
     "@typescript-eslint/eslint-plugin": "8.38.0",