fix default-exports rule name

[yannbf]

Issue: N/A

What Changed

Checklist

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

Change Type

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

📦 Published PR as canary version: 0.5.8--canary.88.72a4795.0

:sparkles: Test out this PR locally via: ```bash npm install eslint-plugin-storybook@0.5.8--canary.88.72a4795.0 # or yarn add eslint-plugin-storybook@0.5.8--canary.88.72a4795.0 ```

[github-actions[bot]]

:rocket: PR was released in v0.5.8 :rocket: