build: update all non-major dependencies

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
less-loader	9.0.0 -> 9.1.0
postcss (source)	8.3.1 -> 8.3.2
sass-loader	12.0.0 -> 12.1.0
stylus-loader	6.0.0 -> 6.1.0

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Release Notes

webpack-contrib/less-loader

v9.1.0

Compare Source

Features

• allow to use String value for the implementation option (465ffc4)

postcss/postcss

v8.3.2

Compare Source

• Update changelog.

webpack-contrib/sass-loader

v12.1.0

Compare Source

Features

• allow String value for the implementation option (382a3ca)

webpack-contrib/stylus-loader

v6.1.0

Compare Source

Features

• allow to use String value for the implementation option (b118719)

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Configuration

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