Updated the known issue notice in App Control policy deployment page

[HotCakeX]

I updated this once before on a different page but just noticed it exists in here too. It clarifies that the issue has been fixed and users on 24H2 or later can deploy it normally.

[learn-build-service-prod]

Learn Build status updates of commit 7637e62:

✅ Validation status: passed

File	Status	Preview URL	Details
windows/security/application-security/application-control/app-control-for-business/deployment/appcontrol-deployment-guide.md	✅Succeeded

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[aczechowski]

Another instance where this seems very straightforward based on previous edit, so I'm going to merge it. Thanks @HotCakeX! FYI @jgeurten