Knative Serving release v0.3.0

Knative Serving release v0.2.3

Knative Serving release v0.2.2

Knative Serving release v0.2.1

Knative Serving release v0.2.0

[RELEASE 0.1] Update build release.yaml to build 0.1.1 (knative#1822)

* Update build release.yaml to build 0.1.1

add Red Hat to Authors (knative#1602)

Signed-off-by: Huamin Chen <[email protected]>