fix: correct spacing around AutomateWoo opt-in

[laurelfulford]

All Submissions:

• Have you followed the Newspack Contributing guideline?
• Does your code follow the WordPress' coding standards and VIP Go coding standards?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes proposed in this Pull Request:

This PR fixes some spacing around the AutomateWoo opt-in checkbox.

See 1207817176293825-as-1208851280188397

How to test the changes in this Pull Request:

1. Install and activate AutomateWoo (a premium plugin).
2. Navigate to WP Admin > AutomateWoo > Settings, and switch the Marketing Opt-In to "Opt In" at the top:

3. Run through a checkout and note the spacing on the checkbox on the second screen.

4. Apply this PR and run npm run build.
5. Repeat step 3 and confirm the spacing looks okay:

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your changes, as applicable?
• Have you successfully ran tests with your changes locally?

[laurelfulford]

Thanks @leogermani!