Bump prettier-plugin-svelte from 0.7.0 to 1.4.0

Bumps [prettier-plugin-svelte](https://github.com/sveltejs/prettier-plugin-svelte) from 0.7.0 to 1.4.0.
- [Release notes](https://github.com/sveltejs/prettier-plugin-svelte/releases)
- [Changelog](https://github.com/sveltejs/prettier-plugin-svelte/blob/master/CHANGELOG.md)
- [Commits](sveltejs/prettier-plugin-svelte@v0.7.0...v1.4.0)

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

Author: dependabot-preview[bot]