Update dependency rollup-plugin-dts to v6.4.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
rollup-plugin-dts	6.3.0 → 6.4.1

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Release Notes

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

v6.4.1

Compare Source

Fixes:

• Fixed regression related to new SourceMap handling

Thank you:

Features, fixes and improvements in this release have been contributed by:

• @​privatenumber

v6.4.0

Compare Source

Features:

• Implement proper SourceMap support with goto-definition granularity
• Support dotted namespace syntax

Fixes:

• Better naming for declare module paths
• Add compatibility with TS6

Thank you:

Features, fixes and improvements in this release have been contributed by:

• @​schoel-bis
• @​ZhangYiJiang
• @​igordanchenko
• @​privatenumber

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