Fixes #11454 - Add note about temp files created to detect AppLocker

[sdwheeler]

PR Summary

Add note about temp files created to detect AppLocker

• Fixes AB#322985
• Fixes #11450

PR Checklist

• [x] Descriptive Title: This PR's title is a synopsis of the changes it proposes.
• [x] Summary: This PR's summary describes the scope and intent of the change.
• [x] Contributor's Guide: I have read the contributors guide.
• [x] Style: This PR adheres to the style guide.

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

Learn Build status updates of commit 682393c:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
reference/docs-conceptual/security/app-control/application-control.md	:white_check_mark:Succeeded	View (>=powershell-5.1)

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

Learn Build status updates of commit 11b1cfb:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
reference/docs-conceptual/security/app-control/application-control.md	:white_check_mark:Succeeded	View (>=powershell-5.1)

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