fix(deps): update k8s.io/kube-openapi digest to cdb1db5

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
k8s.io/kube-openapi	require	digest	8f3fa49 → cdb1db5

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[renovate]

ℹ️ 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):

• 1 additional dependency was updated

Details:

Package	Change
sigs.k8s.io/structured-merge-diff/v6	v6.4.0 -> v6.4.1