Update file-filters.md

[drormikdash]

clarification that the sensitivity label filter will cause File Policy to skip (no handle) non-Office files

[prmerger-automator[bot]]

@drormikdash : Thanks for your contribution! The author(s) have been notified to review your proposed change.

[drormikdash]

sign-off

[prmerger-automator[bot]]

Invalid command: '#sign-off'. Only the assigned author of one or more file in this PR can sign off. @batamig

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

Learn Build status updates of commit 52ac833:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
CloudAppSecurityDocs/file-filters.md	:white_check_mark:Succeeded

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[ShannonLeavitt]

@batamig

IMPORTANT: When the changes are ready for publication, add a #sign-off comment to signal that the PR is ready for the review team to merge.

label:"aq-pr-triaged"

@MicrosoftDocs/public-repo-pr-review-team

[batamig]

closing to handline in private repo