Bump svelte from 5.55.4 to 5.55.7 in /web (#999)

Bumps [svelte](https://github.com/sveltejs/svelte/tree/HEAD/packages/svelte) from 5.55.4 to 5.55.7.
- [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@5.55.7/packages/svelte)

---
updated-dependencies:
- dependency-name: svelte
  dependency-version: 5.55.7
  dependency-type: direct:development
...

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web/package.json

@@ -24,7 +24,7 @@
     "@types/canvas-confetti": "^1.9.0",
     "@types/node": "^25.3.3",
     "postcss": "^8.5.6",
-    "svelte": "^5.53.6",
+    "svelte": "^5.55.7",
     "svelte-check": "^4.3.6",
     "sveltekit-openapi-generator": "^0.1.5",
     "tslib": "^2.4.1",