Update storybook monorepo to ^6.1.11

Created by: renovate[bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@storybook/addon-actions	^6.1.10 -> ^6.1.11
@storybook/addon-knobs	^6.1.10 -> ^6.1.11
@storybook/addon-links	^6.1.10 -> ^6.1.11
@storybook/addon-storyshots	^6.1.10 -> ^6.1.11
@storybook/addon-storyshots-puppeteer	^6.1.10 -> ^6.1.11
@storybook/addons	^6.1.10 -> ^6.1.11
@storybook/components	^6.1.10 -> ^6.1.11
@storybook/core	^6.1.10 -> ^6.1.11
@storybook/react	^6.1.10 -> ^6.1.11
@storybook/theming	^6.1.10 -> ^6.1.11

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Release Notes

storybookjs/storybook

v6.1.11

Compare Source

Bug Fixes

• UI: Fix null ref in sidebar (#​13423)
• Addon-docs: Handle svelte docgen failures gracefully (#​13386)

Dependency Upgrades

• Update react-popper-tooltip and @​popperjs/core for react17 (#​13434)

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