Changes to Retrieve events

the endpoint scheme security oauth2 was removed from the API

the security scope oauth-access was added to the endpoint's security scheme oauth2

the security scope oauth was removed from the endpoint's security scheme oauth2

api operation id get-/events/event-occurrences/2026-09_/events/event-occurrences/2026-09 removed and replaced with get-/events/event-occurrences/2026-09_/events/event-occurrences/2026-03

the endpoint scheme security private_apps was removed from the API