chore: bump svelte in the development-dependencies group

Bumps the development-dependencies group with 1 update: [svelte](https://github.com/sveltejs/svelte/tree/HEAD/packages/svelte).


Updates `svelte` from 5.43.14 to 5.46.0
- [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: 5.46.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: development-dependencies
...

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

Author: dependabot[bot]

package-lock.json

@@ -19,7 +19,7 @@
     "rollup-plugin-css-only": "^4.5.5",
     "rollup-plugin-livereload": "^2.0.5",
     "rollup-plugin-svelte": "^7.2.3",
-    "svelte": "^5.43.14",
+    "svelte": "^5.46.0",
     "svelte-check": "^4.3.4",
     "svelte-preprocess": "^6.0.3",
     "svelte-spa-router": "^4.0.1",