🐛 Rules are optional in security group rules before v1beta1

[mdbooth]

Rules were removed from the security group status in v1beta1. If the status is modified then an up-converted v1alphaN object will not have its security group rules restored on down-conversion. As the CRD requires rules, this results in an API error.

Fixes #1999

/hold

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[dulek]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lentzi90, mdbooth

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[mdbooth]

/hold cancel

[lentzi90]

For future reference my test was the following:

• Set up a testing environment with Tilt from CAPI
• Apply a v1alpha7 cluster
• Make some change and then do kubectl diff -k test-cluster

On this commit I get no issue but when I do the same on main I get the message about the cluster being invalid.