`protocol.go.swp` file for http protocol? 

As part of this bump:
* https://github.com/cloudevents/sdk-go/pull/958

This file got introduced:
* https://github.com/cloudevents/sdk-go/blame/main/v2/protocol/http/.protocol.go.swp

This now seems to cause some update issues on Knative eventing:
* https://github.com/knative/eventing/pull/7697#issuecomment-1953921426