Bump gomega version

[RomanBednar]

The gomega package dependency (gopkg.in/yaml.v2) contained a security vulnerability. The versions have already been bumped in gomega in this PR.

However kube-openapi module is still using the insecure version. This causes vulnerabity scans performed on packages using kube-openapi as an indirect dependency to fail.

The technique which some of the scans use might not be exactly correct as they most likely take go.sum files into consideration which do not exactly reflect versions ultimately used. However I believe the version should be bumped unless there is a good reason not to do it as it will eliminate the chances of using insecure module.

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[k8s-ci-robot]

@RomanBednar: PR needs rebase.

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