Fix typo in azure-devops-extension.yml

[Styxxy]

Fix typo secuirty -> security.

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:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
articles/defender-for-cloud/azure-devops-extension.yml	:white_check_mark:Succeeded

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PRMerger Results

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

[Court72]

Thanks, @styxxy!