Update concept-workload-identity-risk.md with Security Copilot callout

[AriSchorr1]

Added note on use of public preview skills in Security Copilot for Microsoft Entra.

[prmerger-automator]

@AriSchorr1 : 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 ec83e09:

⚠️ Validation status: warnings

File	Status	Preview URL	Details
docs/id-protection/concept-workload-identity-risk.md	⚠️Warning		Details

docs/id-protection/concept-workload-identity-risk.md

• Line 44, Column 14: [Warning: hard-coded-locale - See documentation] Link 'https://learn.microsoft.com/en-us/copilot/security/microsoft-security-copilot' contains locale code 'en-us'. For localizability, remove 'en-us' from links to most Microsoft sites.
• Line 44, Column 264: [Warning: hard-coded-locale - See documentation] Link 'https://learn.microsoft.com/en-us/entra/fundamentals/copilot-security-entra-investigate-risky-apps' contains locale code 'en-us'. For localizability, remove 'en-us' from links to most Microsoft sites.
• Line 44, Column 14: [Suggestion: docs-link-absolute - See documentation] Absolute link 'https://learn.microsoft.com/en-us/copilot/security/microsoft-security-copilot' will be broken in isolated environments. Replace with a relative link.
• Line 44, Column 264: [Suggestion: docs-link-absolute - See documentation] Absolute link 'https://learn.microsoft.com/en-us/entra/fundamentals/copilot-security-entra-investigate-risky-apps' will be broken in isolated environments. Replace with a relative link.

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[Jak-MS]

Hi @AriSchorr1 - it looks like you have access to the private repo, and if so - you should use that for content updates.

I'll leave this open in case @MicrosoftGuyJFlo wants to review it, but in the future you should submit changes to the private repo: entra-docs-pr.

@MicrosoftGuyJFlo
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.

NOTE: All validation warnings and suggestions much be addressed (and cleared) before we can merge this. Thanks.

#label:"aq-pr-triaged"
@MicrosoftDocs/public-repo-pr-review-team