chore(deps): update dependency @web/dev-server-rollup to v0.3.20

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@web/dev-server-rollup (source)	0.3.19 -> 0.3.20

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Release Notes

modernweb-dev/web

### [`v0.3.20`](https://togithub.com/modernweb-dev/web/blob/HEAD/packages/dev-server-rollup/CHANGELOG.md#​0320) [Compare Source](https://togithub.com/modernweb-dev/web/compare/@web/dev-server-rollup@0.3.19...@web/dev-server-rollup@0.3.20) ##### Patch Changes - [`ab27e50`](https://togithub.com/modernweb-dev/web/commit/ab27e502): fix rollup adapter virtual modules resolution for windows environments

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Configuration

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