fix: kubebuilder DinD runner, k8s version matrix

[alexeldeib]

Sorta surprised the dot-slash is necessary, but I was able to run pull-kubebuiler-e2e-1-16-2 locally with pj-on-kind.sh and it works.

Now that I'm able to test these locally, I've also gone ahead and added the matrix for versions.

[mengqiy]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: alexeldeib, mengqiy

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[k8s-ci-robot]

@alexeldeib: Updated the job-config configmap in namespace default at cluster default using the following files:

• key kubebuilder-presubmits.yaml using file config/jobs/kubernetes-sigs/kubebuilder/kubebuilder-presubmits.yaml

In response to this:

Sorta surprised the dot-slash is necessary, but I was able to run pull-kubebuiler-e2e-1-16-2 locally with pj-on-kind.sh and it works.

Now that I'm able to test these locally, I've also gone ahead and added the matrix for versions.

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