chore(deps): update storybook monorepo to v3.4.12

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@storybook/addon-actions (source)	3.4.6 -> 3.4.12
@storybook/addon-info (source)	3.4.6 -> 3.4.12
@storybook/addon-links (source)	3.4.6 -> 3.4.12
@storybook/react (source)	3.4.6 -> 3.4.12

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Release Notes

storybookjs/storybook

v3.4.12

Compare Source

Bug Fixes

• UI: Workaround broken treebeard animations (#​6249)

v3.4.11

Compare Source

3.4.11

2018-September-17

Dependencies

• Allow v1 or v2 in airbnb-js-shims #​4190

v3.4.10

Compare Source

2018-August-03

NOTE: 3.4.9 publish failed

Bug Fixes

• addons-jest: bug with the jest parameter #​3923
• addon-info: fix copy button styling #​3896

v3.4.8

Compare Source

2018-June-21

Bug Fixes

• Fix centered addon for IE11 #​3735
• Display functions as variables not invocations #​3761

v3.4.7

Compare Source

2018-June-10

Bug Fixes

• Remove linebreaks in notes text when they are html elements #​3731

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