dev: hack/update-expected.sh should generate missing file
dev: hack/update-expected.sh should generate missing file

Don't treat a failure to read a file as an error, if we are supposed
to be generating that file.

robinpercy/kops,kubernetes/kops,robinpercy/kops,kubernetes/kops,kubernetes/kops,justinsb/kops,justinsb/kops,justinsb/kops,robinpercy/kops,robinpercy/kops