Update how-to-configure-key-rotation.md

[AbhishekG0509]

Added a note section to ensure both the key versions are in enabled state so ACR can automatically apply the new version of the key.
https://learn.microsoft.com/en-us/azure/key-vault/keys/how-to-configure-key-rotation#key-rotation-policy

[prmerger-automator]

@AbhishekG0509 : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

[learn-build-service-prod]

Learn Build status updates of commit fb3f511:

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[ShannonLeavitt]

@msmbaldwin

Can you review the proposed changes?

IMPORTANT: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged"
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[v-dirichards]

@msmbaldwin Could you review this proposed update to your article and enter #sign-off in a comment if it's ready to merge?

Thanks!

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[AbhishekG0509]

@msmbaldwin Could you review this proposed update to your article and enter #sign-off in a comment if it's ready to merge?

Thanks!

[prmerger-automator]

Invalid command: '#sign-off'. Only the assigned author of one or more file in this PR can sign off. @msmbaldwin

[github-actions]

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[Copilot]

Pull Request Overview

This PR adds documentation to clarify the proper state management for key versions during manual key rotation in Azure Key Vault. The change helps users understand the correct process for rotating customer-managed keys used with Azure Container Registry (ACR).

• Added a note section explaining the required key version states during manual rotation
• Clarified the process for safely disabling old key versions after ACR updates

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[v-ccolin]

I sent an email to the content owner today.

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