chore(deps-dev): bump rollup from 4.20.0 to 4.21.0

Bumps [rollup](https://github.com/rollup/rollup) from 4.20.0 to 4.21.0.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v4.20.0...v4.21.0)

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

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

package.json

@@ -99,7 +99,7 @@
     "remark-preset-lint-consistent": "^6.0.0",
     "remark-preset-lint-markdown-style-guide": "^6.0.0",
     "remark-preset-lint-recommended": "^7.0.0",
-    "rollup": "^4.20.0",
+    "rollup": "^4.21.0",
     "rollup-plugin-copy": "^3.5.0",
     "rollup-plugin-dts": "^6.1.1",
     "rollup-plugin-esbuild": "^6.1.1",