DTL - Update ms.service to correct value

[derekbekoe]

No description provided.

[learn-build-service-prod]

Learn Build status updates of commit 37aec85:

💡 Validation status: suggestions

File	Status	Preview URL	Details
docs-ref-services/latest/resourcemanager-devtestlabs-readme.md	💡Suggestion	View (azure-java-stable)	Details
docs-ref-services/preview/resourcemanager-devtestlabs-readme.md	💡Suggestion	View (azure-java-preview)	Details
docs-ref-services/archive/devtest-labs.md	✅Succeeded	View (azure-java-archive)
docs-ref-services/latest/devtest-labs.md	✅Succeeded	View (azure-java-stable)
docs-ref-services/preview/devtest-labs.md	✅Succeeded	View (azure-java-preview)

docs-ref-services/latest/resourcemanager-devtestlabs-readme.md

• Line 2, Column 1: [Suggestion: description-missing - See documentation] Missing required attribute: 'description'.
• Line 34, Column 3: [Suggestion: docs-link-absolute - See documentation] Absolute link 'https://learn.microsoft.com/azure/developer/java/fundamentals/' will be broken in isolated environments. Replace with a relative link.

docs-ref-services/preview/resourcemanager-devtestlabs-readme.md

• Line 2, Column 1: [Suggestion: description-missing - See documentation] Missing required attribute: 'description'.

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[derekbekoe]

Can I get a review on this PR?