Update dependency-scanning-report-format.json

What does this MR do?

Fix for minor typo in description key.

What are the relevant issue numbers?

No issue has been created since only fixing a minor typo.

Checklist

• Ensure changes can be built upon without requiring a breaking change, see Building for Extensibility.
• Review and add/update tests for this feature/bug.
• Add an entry to the CHANGELOG if required, with the appropriate version. See Classifying Changes.
• Assign the MR to the appropriate person/people for review.