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	^19.0.0 -> ^20.0.0

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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)) ### [`v19.0.1`](https://togithub.com/rollup/plugins/blob/master/packages/commonjs/CHANGELOG.md#v1901) *2021-07-15* ##### Bugfixes - fix: short-circuit to actual module entry point when using circular ref through a different entry ([#​888](https://togithub.com/rollup/plugins/issues/888))

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