Change sample testing report URL

[mrdarrengriffin]

Proposed change

Updated to PDF version that will be used on the OHF website also

Type of change

• Spelling, grammar or other readability improvements (current branch).
• Adjusted missing or incorrect information in the current documentation (current branch).
• Added documentation for a new integration I'm adding to Home Assistant (next branch).
  • I've opened up a PR to add logos and icons in Brands repository.
• Added documentation for a new feature I'm adding to Home Assistant (next branch).
• Removed stale or deprecated documentation.

Additional information

• Link to parent pull request in the codebase:
• Link to parent pull request in the Brands repository:
• This PR fixes or closes issue: fixes #

Checklist

• This PR uses the correct branch, based on one of the following:
  • I made a change to the existing documentation and used the current branch.
  • I made a change that is related to an upcoming version of Home Assistant and used the next branch.
• The documentation follows the Home Assistant documentation standards.

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Pull request overview

This PR updates the Google Drive URL for the sample testing report referenced in the 2025 WWHA recap blog post. The change replaces the old PDF file ID with a new one that will be used on the Open Home Foundation website as well.

• Updated Google Drive file ID for the sample testing report link