Bump rollup from 4.54.0 to 4.55.1 in /web/frontend

Bumps [rollup](https://github.com/rollup/rollup) from 4.54.0 to 4.55.1.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/compare/v4.54.0...v4.55.1)

---
updated-dependencies:
- dependency-name: rollup
  dependency-version: 4.55.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

web/frontend/package.json

@@ -11,7 +11,7 @@
     "@rollup/plugin-node-resolve": "^16.0.1",
     "@rollup/plugin-terser": "^0.4.4",
     "@timohausmann/quadtree-js": "^1.2.6",
-    "rollup": "^4.54.0",
+    "rollup": "^4.55.1",
     "rollup-plugin-css-only": "^4.5.5",
     "rollup-plugin-svelte": "^7.2.3",
     "svelte": "^5.46.1"