npm-dep: bump svelte-check from 3.5.0 to 3.5.1 in /frontend

Bumps [svelte-check](https://github.com/sveltejs/language-tools) from 3.5.0 to 3.5.1.
- [Release notes](https://github.com/sveltejs/language-tools/releases)
- [Commits](sveltejs/language-tools@svelte-check-3.5.0...svelte-check-3.5.1)

---
updated-dependencies:
- dependency-name: svelte-check
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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