Update block-patterns.md

[cdevroe]

Description of the Change

Fixing a typo.

Changelog Entry

Fixed.

Credits

@cdevroe

Checklist:

• [x ] I agree to follow this project's Code of Conduct.

[vercel[bot]]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Updated
10up-gutenberg-best-practices	✅ Ready (Inspect)	Visit Preview	Oct 26, 2022 at 11:40AM (UTC)