Update Set-CsTeamsFilesPolicy.md

[apoorv33]

Updating a setting which is currently in preview (available only in inner rings), based on the recommendations of Microsoft Security teams. This will be re-updated once the feature rollout is complete.

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

Learn Build status updates of commit 85c6f32:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
teams/teams-ps/teams/Set-CsTeamsFilesPolicy.md	:white_check_mark:Succeeded	View (teams-ps)

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

[sdwheeler]

The name of the folder has changed. These files are now in teams/teams-ps/teams/MicrosoftTeams.