chore(deps): update dependency rollup to v4.21.0 (master)

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change	OpenSSF
rollup (source)	devDependencies	minor	4.20.0 -> 4.21.0

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Release Notes

rollup/rollup (rollup)

### [`v4.21.0`](https://togithub.com/rollup/rollup/blob/HEAD/CHANGELOG.md#4210) [Compare Source](https://togithub.com/rollup/rollup/compare/v4.20.0...v4.21.0) *2024-08-18* ##### Features - Add option to configure directory for virtual modules when preserving modules ([#​5602](https://togithub.com/rollup/rollup/issues/5602)) ##### Pull Requests - [#​5602](https://togithub.com/rollup/rollup/pull/5602): feat: introduce the virtualDirname option to customize the virtual directory name ([@​TrickyPi](https://togithub.com/TrickyPi)) - [#​5607](https://togithub.com/rollup/rollup/pull/5607): chore(deps): update typescript-eslint monorepo to v8 (major) ([@​renovate](https://togithub.com/renovate)\[bot], [@​lukastaegert](https://togithub.com/lukastaegert)) - [#​5608](https://togithub.com/rollup/rollup/pull/5608): chore(deps): lock file maintenance minor/patch updates ([@​renovate](https://togithub.com/renovate)\[bot]) - [#​5611](https://togithub.com/rollup/rollup/pull/5611): chore: fix the `noConflict` option in REPL. ([@​7086cmd](https://togithub.com/7086cmd)) - [#​5613](https://togithub.com/rollup/rollup/pull/5613): chore(deps): lock file maintenance minor/patch updates ([@​renovate](https://togithub.com/renovate)\[bot]) - [#​5614](https://togithub.com/rollup/rollup/pull/5614): chore(deps): lock file maintenance ([@​renovate](https://togithub.com/renovate)\[bot])

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