Update "Diagnostic data" section in Privacy whitepaper per DMA

[captainbrosset]

Rendered article section for review:

• Microsoft Edge Privacy Whitepaper > Diagnostic data
  • https://review.learn.microsoft.com/microsoft-edge/privacy-whitepaper/index?branch=pr-en-us-3067#diagnostic-data - added final paragraph
  • Public preview
  • Before/Live

DMA edit to Privacy whitepaper.

AB#49073913

[learn-build-service-prod[bot]]

Learn Build status updates of commit f6a97db:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
microsoft-edge/privacy-whitepaper/index.md	:white_check_mark:Succeeded	View

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel