chore(deps): update dependency rollup to v2.11.2

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
rollup (source)	devDependencies	patch	2.11.0 -> 2.11.2

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Release Notes

rollup/rollup

### [`v2.11.2`](https://togithub.com/rollup/rollup/blob/master/CHANGELOG.md#​2112) [Compare Source](https://togithub.com/rollup/rollup/compare/v2.11.1...v2.11.2) _2020-05-28_ ##### Bug Fixes - Include side-effects in the second argument of `Array.from` ([#​3604](https://togithub.com/rollup/rollup/issues/3604)) ##### Pull Requests - [#​3604](https://togithub.com/rollup/rollup/pull/3604): Mark `Array.from` as side-effectful, use two-argument Array.from when mapping Sets ([@​lukastaegert](https://togithub.com/lukastaegert)) ### [`v2.11.1`](https://togithub.com/rollup/rollup/blob/master/CHANGELOG.md#​2111) [Compare Source](https://togithub.com/rollup/rollup/compare/v2.11.0...v2.11.1) _2020-05-28_ ##### Bug Fixes - Also include side-effects in files that are marked as side-effect-free if they contain an included default export that is reexported ([#​3602](https://togithub.com/rollup/rollup/issues/3602)) ##### Pull Requests - [#​3602](https://togithub.com/rollup/rollup/pull/3602): Handle side-effects next to side-effect-free default exports in case the default export is reexported ([@​lukastaegert](https://togithub.com/lukastaegert))

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[coveralls]

Coverage remained the same at 100.0% when pulling b49f5a8db00b01c22587d061c7fa8f8cb9158728 on renovate/rollup-2.x into b6872240eb387c36d6268b931758af34a0bd187d on master.