#19 vendor dependencies

...or/github.com/cloudevents/sdk-go/v2/event/event_writer.go

...or/github.com/cloudevents/sdk-go/v2/event/eventcontext.go

...ithub.com/cloudevents/sdk-go/v2/event/eventcontext_v03.go

...om/cloudevents/sdk-go/v2/event/eventcontext_v03_reader.go

...om/cloudevents/sdk-go/v2/event/eventcontext_v03_writer.go

...github.com/cloudevents/sdk-go/v2/event/eventcontext_v1.go

...com/cloudevents/sdk-go/v2/event/eventcontext_v1_reader.go

...com/cloudevents/sdk-go/v2/event/eventcontext_v1_writer.go

vendor/github.com/cloudevents/sdk-go/v2/event/extensions.go

vendor/github.com/cloudevents/sdk-go/v2/protocol/doc.go

vendor/github.com/cloudevents/sdk-go/v2/protocol/error.go

...m/cloudevents/sdk-go/v2/protocol/http/abuse_protection.go

...github.com/cloudevents/sdk-go/v2/protocol/http/context.go

vendor/github.com/cloudevents/sdk-go/v2/protocol/http/doc.go

...github.com/cloudevents/sdk-go/v2/protocol/http/headers.go

...github.com/cloudevents/sdk-go/v2/protocol/http/message.go

...github.com/cloudevents/sdk-go/v2/protocol/http/options.go

...ithub.com/cloudevents/sdk-go/v2/protocol/http/protocol.go

...cloudevents/sdk-go/v2/protocol/http/protocol_lifecycle.go

....com/cloudevents/sdk-go/v2/protocol/http/protocol_rate.go