chore(deps): update dependency @rollup/plugin-commonjs to v20

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@rollup/plugin-commonjs	^19.0.1 -> ^20.0.0

---

Release Notes

rollup/plugins

### [`v20.0.0`](https://togithub.com/rollup/plugins/blob/master/packages/commonjs/CHANGELOG.md#v2000) *2021-07-30* ##### Breaking Changes - fix: Correctly infer module name for any separator ([#​924](https://togithub.com/rollup/plugins/issues/924)) ### [`v19.0.2`](https://togithub.com/rollup/plugins/blob/master/packages/commonjs/CHANGELOG.md#v1902) *2021-07-26* ##### Bugfixes - fix convert module.exports with `__esModule` property([#​939](https://togithub.com/rollup/plugins/issues/939)) ([#​942](https://togithub.com/rollup/plugins/issues/942))

---

Configuration

📅 Schedule: "every weekend" (UTC).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box.

---

This PR has been generated by WhiteSource Renovate. View repository job log here.