Changes to GET /v1/admin/:name

removed the media type */* for the response with the status 200

api operation id pubsublite.admin.projects.locations.subscriptions.get removed and replaced with pubsublite.admin.projects.locations.topics.get

removed the optional property throughputCapacity from the response with the 200 status

api operation id pubsublite.admin.projects.locations.reservations.get removed and replaced with pubsublite.admin.projects.locations.subscriptions.get

added the optional property deliveryConfig to the response with the 200 status

added the optional property exportConfig to the response with the 200 status

added the optional property topic to the response with the 200 status