Update dependency rollup to v4.19.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rollup (source)	4.19.1 -> 4.19.2

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Release Notes

rollup/rollup (rollup)

### [`v4.19.2`](https://togithub.com/rollup/rollup/blob/HEAD/CHANGELOG.md#4192) [Compare Source](https://togithub.com/rollup/rollup/compare/v4.19.1...v4.19.2) *2024-08-01* ##### Bug Fixes - Avoid "cannot get value of null" error when using optional chaining with namespaces ([#​5597](https://togithub.com/rollup/rollup/issues/5597)) ##### Pull Requests - [#​5597](https://togithub.com/rollup/rollup/pull/5597): Fix retrieval of literal values for chained namespaces ([@​lukastaegert](https://togithub.com/lukastaegert))

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