20250620 hyperscale (#34528)

* 20250620 hyperscale elastic pool

* 20250624 elevate, clarify content on elastic pool database properties

* 20250624 improve linkeage, consolidate DTU elastic pools properties documentation

* pencil edit

* pencil edit

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Co-authored-by: Stacy Chambers <[email protected]>

Author: WilliamDAssafMSFT