build(deps-dev): bump @rollup/plugin-multi-entry from 6.0.0 to 6.0.1 (#…

…2122)

Bumps [@rollup/plugin-multi-entry](https://github.com/rollup/plugins/tree/HEAD/packages/multi-entry) from 6.0.0 to 6.0.1.
- [Changelog](https://github.com/rollup/plugins/blob/master/packages/multi-entry/CHANGELOG.md)
- [Commits](https://github.com/rollup/plugins/commits/json-v6.0.1/packages/multi-entry)

---
updated-dependencies:
- dependency-name: "@rollup/plugin-multi-entry"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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