feat: Micro integrations#4

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amccloud wants to merge 3 commits intosentry-demos:mainfrom

amccloud:micro-integrations

Commits on Mar 15, 2023

Compose integrations to bring back Integrations.Dedupe (and possibly more) for micro clients
Andrew McCloud
committed
Custom integration event processor to define integrations on the event
Andrew McCloud
committed

Commits on Mar 17, 2023

Return integration instance for micro component to allow processing. e.g. StackRewrite
Andrew McCloud
committed