Update best-practices.md

[abhishekpsen]

Include the new OOS recipe

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[Jak-MS]

@jboback

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label:"aq-pr-triaged"

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[jboback]

sign-off

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

Learn Build status updates of commit a8e4255:

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

Learn Build status updates of commit c9e4f16:

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