chore(hero): add w-full to image

[FRSgit]

Related issue

https://github.com/vuestorefront/unified-storefronts/pull/1237#issuecomment-2069309576

Closes #

Scope of work

Without w-full the image behaves weirdly when the container is not 100% width

Screenshots of visual changes

Checklist

• Self code-reviewed
• Changes documented
• Semantic HTML
• SSR-friendly
• Caching friendly
• a11y for WCAG 2.0 AA
• examples created
• blocks created
• cypress tests created

[changeset-bot]

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Latest commit: 71cd1f8

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[Szymon-dziewonski]

@FRSgit you need to rebase/merge main into your branch, because file .nvmrc is required for CI