build(deps-dev): bump svelte-preprocess from 5.1.4 to 6.0.2 (#812)

Bumps [svelte-preprocess](https://github.com/sveltejs/svelte-preprocess) from 5.1.4 to 6.0.2.
- [Changelog](https://github.com/sveltejs/svelte-preprocess/blob/main/CHANGELOG.md)
- [Commits](sveltejs/svelte-preprocess@v5.1.4...v6.0.2)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

packages/fizz-svelte/package.json

@@ -40,7 +40,7 @@
     "jest-environment-jsdom": "^29.7.0",
     "svelte": "^4.2.19",
     "svelte-jester": "^3.0.0",
-    "svelte-preprocess": "^5.1.4",
+    "svelte-preprocess": "^6.0.2",
     "ts-jest": "^29.1.2",
     "typescript": "^5.5.4",
     "@repo/eslint-config": "*",