Bump @testing-library/svelte from 4.1.0 to 5.2.1

Bumps [@testing-library/svelte](https://github.com/testing-library/svelte-testing-library) from 4.1.0 to 5.2.1.
- [Release notes](https://github.com/testing-library/svelte-testing-library/releases)
- [Changelog](https://github.com/testing-library/svelte-testing-library/blob/main/CHANGELOG.md)
- [Commits](testing-library/svelte-testing-library@v4.1.0...v5.2.1)

---
updated-dependencies:
- dependency-name: "@testing-library/svelte"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]