no matches for kind “GitHubSource” in version “sources.eventing.knative.dev/v1alpha1”

Describe the bug Hi, I followed this guide to test githubsource. -> knative/GitHubSource But I got this error. error: unable to recognize “github-source.yaml”: no matches for kind “GitHubSource” in version “sources.eventing.knative.dev/v1alpha1” To Reproduce step : Install CRDs $ kubectl apply –selector knative.dev/crd-install=true \ –filename https://github.com/knative/serving/releases/download/v0.11.0/serving.yaml \ –filename https://github.com/knative/eventing/releases/download/v0.11.0/release.yaml \ –filename https://github.com/knative/serving/releases/download/v0.11.0/monitoring.yaml Install Resources $ kubectl…

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