Update move-support-resources.md

[shubhamagarwalMSFT]

(Code: ResourceMoveValidationFailed) Resource move is not supported for resource types 'Microsoft.Datadog/monitors

[prmerger-automator[bot]]

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

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

Learn Build status updates of commit 84afae5:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
articles/azure-resource-manager/management/move-support-resources.md	:white_check_mark: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

[Jak-MS]

@mumian

• Can you review this PR?
• IMPORTANT: When this content is ready to merge, you must add #sign-off in a comment or the approval may get overlooked.

label:"aq-pr-triaged"

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

[mumian]

@shubhamagarwalMSFT - thank you for your contribution.

sign-off