Update dependency rollup to v4.15.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rollup (source)	4.14.3 -> 4.15.0

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Release Notes

rollup/rollup (rollup)

### [`v4.15.0`](https://togithub.com/rollup/rollup/blob/HEAD/CHANGELOG.md#4150) [Compare Source](https://togithub.com/rollup/rollup/compare/v4.14.3...v4.15.0) *2024-04-20* ##### Features - Add output.importAttributesKey option to select whether to use "with" or "assert" for import attributes ([#​5474](https://togithub.com/rollup/rollup/issues/5474)) ##### Pull Requests - [#​5474](https://togithub.com/rollup/rollup/pull/5474): Add ImportAttributesKey to choose keyword ("with" | "assert") ([@​doubleaa93](https://togithub.com/doubleaa93), [@​lukastaegert](https://togithub.com/lukastaegert)) - [#​5475](https://togithub.com/rollup/rollup/pull/5475): chore(deps): lock file maintenance minor/patch updates ([@​renovate](https://togithub.com/renovate)\[bot]) - [#​5477](https://togithub.com/rollup/rollup/pull/5477): Try to run emulated smoke tests for Linux environments ([@​lukastaegert](https://togithub.com/lukastaegert))

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