Bump svelte from 4.2.14 to 4.2.15 in /web

Bumps [svelte](https://github.com/sveltejs/svelte/tree/HEAD/packages/svelte) from 4.2.14 to 4.2.15.
- [Release notes](https://github.com/sveltejs/svelte/releases)
- [Changelog](https://github.com/sveltejs/svelte/blob/svelte@4.2.15/packages/svelte/CHANGELOG.md)
- [Commits](https://github.com/sveltejs/svelte/commits/svelte@4.2.15/packages/svelte)

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

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

web/package.json

@@ -10,7 +10,7 @@
     "css-loader": "^7.1.1",
     "esbuild-loader": "^4.1.0",
     "mini-css-extract-plugin": "^2.8.1",
-    "svelte": "^4.2.14",
+    "svelte": "^4.2.15",
     "svelte-loader": "^3.2.0",
     "webpack": "^5.91.0",
     "webpack-cli": "^5.1.4",