Update operator-insights-faq.yml

[rathishrms]

Added UAE north to available regions.

[prmerger-automator]

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

[learn-build-service-prod]

Learn Build status updates of commit 24dff7a:

✅ Validation status: passed

File	Status	Preview URL	Details
articles/operator-insights/operator-insights-faq.yml	✅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

[prmerger-automator]

PRMerger Results

Issue	Description
Yaml File(s)	This PR includes changes to .yml file(s) owned by another author.

[rcdun]

#sign-off