🌱 test/e2e: Support configuring ExtraPortMappings for the kind cluster

[klzsysy]

What this PR does / why we need it:

Support configuring ExtraPortMappings for the kind cluster created in e2e test. So the workload cluster nodes can access the service exposed via NodePort in the kind cluster. Refer to https://kind.sigs.k8s.io/docs/user/configuration/#nodeport-with-port-mappings.

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the
issue(s) when PR gets merged):
Fixes #

[linux-foundation-easycla]

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• ✅ login: klzsysy / name: Sonny (fe4a08b)

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[k8s-ci-robot]

Hi @klzsysy. Thanks for your PR.

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[sbueringer]

PTAL > #10046 (comment)

[fabriziopandini]

/ok-to-test

[fabriziopandini]

This seems a nice addition, thanks!
/lgtm

cc @chrischdi

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 3fbc34eaeb11737be3269b71d7f137829b77f3e2

[sbueringer]

/approve
Thx!

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: sbueringer

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