Update dependency rollup-plugin-dts to v6.1.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rollup-plugin-dts	6.1.0 -> 6.1.1

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Release Notes

Swatinem/rollup-plugin-dts (rollup-plugin-dts)

### [`v6.1.1`](https://redirect.github.com/Swatinem/rollup-plugin-dts/blob/HEAD/CHANGELOG.md#611) [Compare Source](https://redirect.github.com/Swatinem/rollup-plugin-dts/compare/v6.1.0...v6.1.1) **Fixes**: - Fix missing whitespace related to generic arguments. **Thank you**: Features, fixes and improvements in this release have been contributed by: - [@​brc-dd](https://redirect.github.com/brc-dd)

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