[release-1.17][gomod]: Bump github.com/google/go-containerregistry from 0.19.1 to 0.20.6#981

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dependabot/go_modules/release-1.17/github.com/google/go-containerregistry-0.20.6openshift-knative/kn-plugin-event:dependabot/go_modules/release-1.17/github.com/google/go-containerregistry-0.20.6Copy head branch name to clipboard