chore(deps-dev): bump svelte-highlight from 7.5.0 to 7.6.0

Bumps [svelte-highlight](https://github.com/metonym/svelte-highlight) from 7.5.0 to 7.6.0.
- [Release notes](https://github.com/metonym/svelte-highlight/releases)
- [Changelog](https://github.com/metonym/svelte-highlight/blob/master/CHANGELOG.md)
- [Commits](metonym/svelte-highlight@v7.5.0...v7.6.0)

---
updated-dependencies:
- dependency-name: svelte-highlight
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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