Update mac-schedule-scan.md

[DenKu]

• The Intune XML example was not well-formed. There were missing closing tags for a dict and the array.
• Fixed indents

[DenKu]

@microsoft-github-policy-service agree

@microsoft-github-policy-service agree

[learn-build-service-prod]

Learn Build status updates of commit 2f7546e:

✅ Validation status: passed

File	Status	Preview URL	Details
defender-endpoint/mac-schedule-scan.md	✅Succeeded

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

[learn-build-service-prod]

Learn Build status updates of commit 5c80453:

✅ Validation status: passed

File	Status	Preview URL	Details
defender-endpoint/mac-schedule-scan.md	✅Succeeded

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

[denisebmsft]

Thank you @DenKu