chore: update storybook to version 7

[sarahgm]

closes #2772

[changeset-bot]

🦋 Changeset detected

Latest commit: 4d046ac

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 9 packages

Name	Type
@marigold/jest-config	Minor
@marigold/storybook-config	Major
@marigold/components	Minor
@marigold/docs	Minor
@marigold/theme-b2b	Major
@marigold/theme-core	Major
@marigold/theme-unicorn	Major
@marigold/system	Minor
@marigold/icons	Patch

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Click here if you're a maintainer who wants to add another changeset to this PR

[codecov]

Codecov Report

Merging #2807 (e1217dd) into main (33329ac) will not change coverage.
The diff coverage is 100.00%.

❗ Current head e1217dd differs from pull request most recent head 4d046ac. Consider uploading reports for the commit 4d046ac to get more accurate results

@@             Coverage Diff             @@
##              main     #2807     +/-   ##
===========================================
  Coverage   100.00%   100.00%             
===========================================
  Files          104       105      +1     
  Lines         1110      6507   +5397     
  Branches       162       171      +9     
===========================================
+ Hits          1110      6507   +5397     

Impacted Files	Coverage Δ
packages/components/src/Checkbox/CheckboxGroup.tsx	100.00% <100.00%> (ø)
packages/tokens/src/size.ts	100.00% <0.00%> (ø)
packages/tokens/src/color.ts	100.00% <0.00%> (ø)
packages/tokens/src/layer.ts	100.00% <0.00%> (ø)
packages/tokens/src/space.ts	100.00% <0.00%> (ø)
packages/tokens/src/aspect.ts	100.00% <0.00%> (ø)
packages/tokens/src/border.ts	100.00% <0.00%> (ø)
packages/tokens/src/shadow.ts	100.00% <0.00%> (ø)
packages/components/src/Box.ts	100.00% <0.00%> (ø)
packages/tokens/src/opacity.ts	100.00% <0.00%> (ø)
... and 94 more

[sebald]

what is this for? :-O

[sarahgm]

for Storybook to work correctly, without it throws an error: Uncaught ReferenceError: global is not defined at ../../node_modules/.pnpm/jest-mock@27.5.1/node_modules/jest-mock/build/index.js @sebald

[sarahgm]

storybookjs/storybook#15391 (comment)