🐛 E2E conformance tests now use kind network

[fabriziopandini]

What this PR does / why we need it:
This PR fixes the e2e conformance test for working with CAPD after this has been changed to use the kind network
It also fixes v1alpha4 test running locally on mac os.

[fabriziopandini]

/milestone v0.4.0
/test pull-cluster-api-e2e-full-main

[vincepri]

/approve
/lgtm
/milestone v0.4.0

[vincepri]

/approve cancel

[fabriziopandini]

/test pull-cluster-api-e2e-full-main

[fabriziopandini]

/test pull-cluster-api-e2e-full-main

[vincepri]

@fabriziopandini Out of curiosity, did anything change from the earlier run? I don't notice major changes in the diff

[fabriziopandini]

@vincepri there was only a small change in the docker exec args order (see networkArg position):

from

e2eCmd := exec.Command("docker", "run", "--user", userArg, kubeConfigVolumeMount, outputVolumeMount, viperVolumeMount, "-t", input.ConformanceImage, networkArg)

to

e2eCmd := exec.Command("docker", "run", "--user", userArg, kubeConfigVolumeMount, outputVolumeMount, viperVolumeMount, "-t", networkArg, input.ConformanceImage)

[vincepri]

/approve
/lgtm

[k8s-ci-robot]

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