chore(deps): update dependency rollup to v2.33.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
rollup (source)	devDependencies	minor	2.32.1 -> 2.33.0

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Release Notes

rollup/rollup

### [`v2.33.0`](https://togithub.com/rollup/rollup/blob/master/CHANGELOG.md#​2330) [Compare Source](https://togithub.com/rollup/rollup/compare/v2.32.1...v2.33.0) _2020-11-01_ ##### Features - Add parameter to "watchChange" hook to denote if a change was an addition, update or deletion ([#​3841](https://togithub.com/rollup/rollup/issues/3841)) - Add "closeWatcher" hook to allow plugins to clean up resources when the watcher is closed ([#​3841](https://togithub.com/rollup/rollup/issues/3841)) - Add "this.getWatchFiles" function to plugin context to get the current set of watched files ([#​3841](https://togithub.com/rollup/rollup/issues/3841)) ##### Pull Requests - [#​3841](https://togithub.com/rollup/rollup/pull/3841): Improved watcher hooks ([@​Amareis](https://togithub.com/Amareis)) - [#​3848](https://togithub.com/rollup/rollup/pull/3848): Add options hook to asyncpluginhooks ([@​intrnl](https://togithub.com/intrnl))

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