Bump rollup from 4.8.0 to 4.9.1 (#7414)

Bumps [rollup](https://github.com/rollup/rollup) from 4.8.0 to 4.9.1.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v4.8.0...v4.9.1)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -238,7 +238,7 @@
     "postcss-sass": "^0.5.0",
     "postcss-scss": "^4.0.9",
     "remark-cli": "^12.0.0",
-    "rollup": "^4.8.0",
+    "rollup": "^4.9.1",
     "sugarss": "^4.0.1",
     "typescript": "^5.3.3"
   },