fix: support arm in init.sh

[cvvz]

What type of PR is this?
/kind bug

What this PR does / why we need it:
fix: support arm in init.sh

Which issue(s) this PR fixes:

Fixes #

Requirements:

• uses conventional commit messages
• includes documentation
• adds unit tests
• tested upgrade from previous version

Special notes for your reviewer:

Release note:

none

[cvvz]

/ok-to-test

[andyzhangx]

/retest

[andyzhangx]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx, cvvz

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[andyzhangx]

/cherrypick release-1.23

[k8s-infra-cherrypick-robot]

@andyzhangx: once the present PR merges, I will cherry-pick it on top of release-1.23 in a new PR and assign it to you.

In response to this:

/cherrypick release-1.23

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[k8s-infra-cherrypick-robot]

@andyzhangx: new pull request created: #1060

In response to this:

/cherrypick release-1.23

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[andyzhangx]

/cherrypick release-1.22

[k8s-infra-cherrypick-robot]

@andyzhangx: new pull request created: #1061

In response to this:

/cherrypick release-1.22

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.