* feature(serving): Update API to serving.knative.dev/v1
Due to an issue with 0.12.0 (a missing constant) the update also includes an update
to the latest knative-serving and knative-eventing dependencies from master
(as reflected in version.go)
Signed-off-by: Roland Huß <roland@ro14nd.de>
* fix(serving): Bogus import removed
* fix(serving): Add missing go.sum entry