Fix npm provenance validation during publish for 2025-07

[fatbattk]

Background

Fixes error when deploying with OICD for 2025-07. Follow up to, #3691
https://github.com/Shopify/ui-extensions/actions/runs/20380788212/job/58570496872

Solution

Add to ui-extensions-react as well.

🎩

• ...

Checklist

• I have 🎩'd these changes
• I have updated relevant documentation

[github-actions]

We detected some changes in packages/*/package.json or packages/*/src, and there are no updates in the .changeset directory. If the changes are user-facing and should cause a version bump, run yarn changeset to track your changes and include them in the next release CHANGELOG. If you are making simple updates to repo configuration, examples, or documentation, you do not need to add a changeset.