Unify documentation to use @storybook/jest

[IanVS]

What Changed

I'm not entirely positive which repo is the correct one, but the code and tests use @storybook/jest, so that's the one I'm guessing is correct.

Checklist

Check the ones applicable to your change:

• [ ] Ran yarn update-all
• [ ] Tests are updated
• [X] Documentation is updated

Change Type

Indicate the type of change your pull request is:

• [ ] maintenance
• [X] documentation
• [ ] patch
• [ ] minor
• [ ] major

[IanVS]

Actually now that I look at the code, maybe it really is @storybook/jest instead...

[yannbf]

Actually now that I look at the code, maybe it really is @storybook/jest instead...

Great catch, as always @IanVS ! Thank you so much for the contribution!

[github-actions[bot]]

:rocket: PR was released in v0.4.1 :rocket: