build(deps-dev): bump @sveltejs/kit in /src/Exceptionless.Web/ClientApp

Bumps [@sveltejs/kit](https://github.com/sveltejs/kit/tree/HEAD/packages/kit) from 2.21.2 to 2.21.3.
- [Release notes](https://github.com/sveltejs/kit/releases)
- [Changelog](https://github.com/sveltejs/kit/blob/main/packages/kit/CHANGELOG.md)
- [Commits](https://github.com/sveltejs/kit/commits/@sveltejs/[email protected]/packages/kit)

---
updated-dependencies:
- dependency-name: "@sveltejs/kit"
  dependency-version: 2.21.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

src/Exceptionless.Web/ClientApp/package-lock.json

@@ -35,7 +35,7 @@
         "@storybook/addon-svelte-csf": "^5.0.3",
         "@storybook/sveltekit": "^9.0.6",
         "@sveltejs/adapter-static": "^3.0.8",
-        "@sveltejs/kit": "^2.21.2",
+        "@sveltejs/kit": "^2.21.3",
         "@sveltejs/vite-plugin-svelte": "^5.1.0",
         "@tailwindcss/vite": "^4.1.8",
         "@testing-library/jest-dom": "^6.6.3",