chore(main): release 4.2.0

[gravity-ui-bot]

:robot: I have created a release beep boop

4.2.0 (2024-01-18)

Features

• added 'dispose' stage and fixed legend discard when chart is updating (#203) (990c965)

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[gravity-ui-bot]

:robot: Release is at https://github.com/gravity-ui/yagr/releases/tag/v4.2.0 :sunflower: