Update storybook monorepo to v6.2.8

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@storybook/addon-actions	6.2.7 -> 6.2.8
@storybook/addon-essentials	6.2.7 -> 6.2.8
@storybook/addon-links	6.2.7 -> 6.2.8
@storybook/react	6.2.7 -> 6.2.8

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Release Notes

storybookjs/storybook

### [`v6.2.8`](https://togithub.com/storybookjs/storybook/releases/v6.2.8) [Compare Source](https://togithub.com/storybookjs/storybook/compare/v6.2.7...v6.2.8) ##### Bug Fixes - CLI: Properly detect vuetify3 ([#​14552](https://togithub.com/storybookjs/storybook/pull/14552)) - Core: Fix build config inconsistency ([#​14566](https://togithub.com/storybookjs/storybook/pull/14566))

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Configuration

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:vertical_traffic_light: Automerge: Enabled.

:recycle: Rebasing: Never, or you tick the rebase/retry checkbox.

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