Switch to new OpenSSF badge report URL

[felddy]

🗣 Description

A new report format if available, this switches the badge to point at it.

💭 Motivation and context

See:

• https://github.com/ossf/scorecard-action/blob/08b4669551908b1024bb425080c797723083c031/README.md#scorecard-badge

✅ Pre-approval checklist

• This PR has an informative and human-readable title.
• Changes are limited to a single goal - eschew scope creep!
• All relevant type-of-change labels have been added.
• I have read the CONTRIBUTING document.
• These code changes follow cisagov code standards.
• All relevant repo and/or project documentation has been updated
  to reflect the changes in this PR.
• All new and existing tests pass.