chore(deps): update dependency rollup-plugin-styles to v4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rollup-plugin-styles	^3.14.1 -> 4.0.0

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Release Notes

Anidetrix/rollup-plugin-styles

v4.0.0

Compare Source

Bug Fixes

• code generation: imports should precede exports (814ccdb)
• remove debugging log (e09ac09)
• sass!: remove fibers support (8992356)

Features

• cssnano!: v5 (5d6ccc1)
• node: drop v10 (5786615)

Performance Improvements

• removed deprecated rollup API (46b73e6)
• sourcemap: switch to source-map-js (0488634)
• Use Set to optimize performance (b402687)

BREAKING CHANGES

• node: Now support v12.20.0 and up

3.14.1 (2021-01-28)

Bug Fixes

• filter out only related files (0976e8f)
• more reliable chunk hash augmentation (91f9b8f), closes #​143

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