Bump svelte-preprocess from 5.0.4 to 5.1.0

Bumps [svelte-preprocess](https://github.com/sveltejs/svelte-preprocess) from 5.0.4 to 5.1.0.
- [Changelog](https://github.com/sveltejs/svelte-preprocess/blob/main/CHANGELOG.md)
- [Commits](https://github.com/sveltejs/svelte-preprocess/commits/v5.1.0)

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

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

package.json

@@ -61,7 +61,7 @@
     "svelte-i18n": "^3.2.0 <4.0.1",
     "svelte-loader": "^3.1.9",
     "svelte-material-ui": "^6.2.0",
-    "svelte-preprocess": "^5.0.4",
+    "svelte-preprocess": "^5.1.0",
     "ts-jest": "^28.0.8",
     "ts-loader": "^9.5.0",
     "typescript": "^5.2.2",