chore(deps): update dependency rollup to v2.55.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rollup (source)	2.54.0 -> 2.55.0

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Release Notes

rollup/rollup

### [`v2.55.0`](https://togithub.com/rollup/rollup/blob/master/CHANGELOG.md#​2550) [Compare Source](https://togithub.com/rollup/rollup/compare/v2.54.0...v2.55.0) *2021-07-28* ##### Features - Support default export live-bindings when generating ESM output ([#​4182](https://togithub.com/rollup/rollup/issues/4182)) ##### Bug Fixes - Always write `["default"]` as computed property when used as named export ([#​4182](https://togithub.com/rollup/rollup/issues/4182)) - Do not mask default export TDZ errors ([#​4182](https://togithub.com/rollup/rollup/issues/4182)) ##### Pull Requests - [#​4182](https://togithub.com/rollup/rollup/pull/4182): Use mutable bindings for default exports ([@​lukastaegert](https://togithub.com/lukastaegert))

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