Changes to List paginated process observability events.

the events/items response's property type changed from no type to object for status 200

deleted the query request parameter aggregated

removed ProcessObservabilityEvent ProcessObservabilityEventAggregated from the events/items response property oneOf list for the response status 200

added the required property events/items/action to the response with the 200 status

added the required property events/items/agent_name to the response with the 200 status

added the required property events/items/command_invocation to the response with the 200 status

added the required property events/items/event_time to the response with the 200 status

added the required property events/items/id to the response with the 200 status

added the required property events/items/ingested_at to the response with the 200 status

added the required property events/items/parent_process to the response with the 200 status

added the required property events/items/pod_name to the response with the 200 status

added the required property events/items/pod_namespace to the response with the 200 status

added the required property events/items/process to the response with the 200 status

added the required property events/items/source to the response with the 200 status

the response property details became nullable for the status 400

the response property details became nullable for the status 404

the response property details became nullable for the status 500

endpoint added