Bump svelte from 5.35.4 to 5.39.8

Bumps [svelte](https://github.com/sveltejs/svelte/tree/HEAD/packages/svelte) from 5.35.4 to 5.39.8.
- [Release notes](https://github.com/sveltejs/svelte/releases)
- [Changelog](https://github.com/sveltejs/svelte/blob/main/packages/svelte/CHANGELOG.md)
- [Commits](https://github.com/sveltejs/svelte/commits/[email protected]/packages/svelte)

---
updated-dependencies:
- dependency-name: svelte
  dependency-version: 5.39.8
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package.json

@@ -41,7 +41,7 @@
     "rehype-slug": "^6.0.0",
     "remark-toc": "^9.0.0",
     "sharp": "^0.34.2",
-    "svelte": "^5.35.4",
+    "svelte": "^5.39.8",
     "tailwindcss": "^4.1.11",
     "typescript": "^5.8.3",
     "vite": "^6.3.6"