chore(deps): update dev dependencies

| datasource | package                      | from   | to     |
| ---------- | ---------------------------- | ------ | ------ |
| npm        | @sveltejs/vite-plugin-svelte | 6.1.1  | 6.2.4  |
| npm        | @testing-library/svelte      | 5.2.8  | 5.3.1  |
| npm        | @tsconfig/svelte             | 5.0.4  | 5.0.6  |
| npm        | fs-extra                     | 11.3.1 | 11.3.3 |
| npm        | prettier                     | 3.6.2  | 3.8.1  |
| npm        | prettier-plugin-svelte       | 3.4.0  | 3.4.1  |
| npm        | svelte                       | 5.38.0 | 5.49.0 |
| npm        | svelte-check                 | 4.3.1  | 4.3.5  |
| npm        | tsx                          | 4.20.3 | 4.21.0 |
| npm        | typescript                   | 5.9.2  | 5.9.3  |
| npm        | vite                         | 7.1.1  | 7.3.1  |

Author: renovate[bot]