Bump svelte from 5.53.5 to 5.53.7 in /examples/share-demo

Bumps [svelte](https://github.com/sveltejs/svelte/tree/HEAD/packages/svelte) from 5.53.5 to 5.53.7.
- [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/svelte@5.53.7/packages/svelte)

---
updated-dependencies:
- dependency-name: svelte
  dependency-version: 5.53.7
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

examples/share-demo/package.json

@@ -21,7 +21,7 @@
     "@sveltejs/adapter-static": "^3.0.6",
     "@sveltejs/kit": "^2.9.0",
     "@sveltejs/vite-plugin-svelte": "^6.2.4",
-    "svelte": "^5.0.0",
+    "svelte": "^5.53.7",
     "svelte-check": "^4.4.4",
     "typescript": "~5.6.2",
     "vite": "^7.3.1",