fix(deps): update k8s.io/kube-openapi digest to 2c72e55

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
k8s.io/kube-openapi	require	digest	67ed584 -> 2c72e55

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Warning

Some dependencies could not be looked up. Check the warning logs for more information.

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[renovate]

ℹ Artifact update notice

File name: go.mod

In order to perform the update(s) described in the table above, Renovate ran the go get command, which resulted in the following additional change(s):

• 2 additional dependencies were updated

Details:

Package	Change
github.com/google/gnostic-models	v0.6.8 -> v0.6.9
sigs.k8s.io/structured-merge-diff/v4	v4.4.1 -> v4.4.2