Update storybook monorepo to v6.2.4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@storybook/addon-actions	6.2.3 -> 6.2.4
@storybook/addon-essentials	6.2.3 -> 6.2.4
@storybook/addon-links	6.2.3 -> 6.2.4
@storybook/react	6.2.3 -> 6.2.4

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Release Notes

storybookjs/storybook

### [`v6.2.4`](https://togithub.com/storybookjs/storybook/releases/v6.2.4) [Compare Source](https://togithub.com/storybookjs/storybook/compare/v6.2.3...v6.2.4) ##### Dependency Upgrades - Upgrade `dotenv-webpack` to v6 ([#​14492](https://togithub.com/storybookjs/storybook/pull/14492))

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Configuration

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