chore(deps-dev): bump svelte-preprocess in /packages/shared

Bumps [svelte-preprocess](https://github.com/sveltejs/svelte-preprocess) from 5.1.4 to 6.0.1.
- [Changelog](https://github.com/sveltejs/svelte-preprocess/blob/main/CHANGELOG.md)
- [Commits](sveltejs/svelte-preprocess@v5.1.4...v6.0.1)

---
updated-dependencies:
- dependency-name: svelte-preprocess
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

packages/shared/package.json

@@ -41,7 +41,7 @@
         "sass": "^1.76.0",
         "svelte-check": "^3.4.5",
         "svelte-loader": "^3.1.9",
-        "svelte-preprocess": "^5.0.4",
+        "svelte-preprocess": "^6.0.1",
         "tailwindcss": "^3.4.4",
         "tslib": "^2.0.1",
         "typescript": "^5.0.3",