♻️ Rename Dev bot to Staging

[AttackOnMorty]

Cc: @adamcogan @jimmidier @suzanne-gibson

Hi Team

Pain

The dev env should be staging. Can't remember why we use dev.

Tasks

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1. Rename Azure Resources
2. Rename Teams App

Thanks!

[AttackOnMorty]

Low priority because we are moving to Microsoft Copilot Studio.