chore(deps): update dependency rollup to v2.23.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
rollup (source)	devDependencies	minor	2.22.2 -> 2.23.0

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Release Notes

rollup/rollup

### [`v2.23.0`](https://togithub.com/rollup/rollup/blob/master/CHANGELOG.md#​2230) [Compare Source](https://togithub.com/rollup/rollup/compare/v2.22.2...v2.23.0) _2020-07-23_ ##### Features - Handle environments with only globalThis in UMD output ([#​3691](https://togithub.com/rollup/rollup/issues/3691)) ##### Pull Requests - [#​3691](https://togithub.com/rollup/rollup/pull/3691): Check for globalThis in UMD wrapper ([@​lukastaegert](https://togithub.com/lukastaegert))

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