arm64 support

[tamalsaha]

Describe the enhancement
Many of the addons don't provide arm64 images. Please consider providing arm64 images.

[qiujian16]

cc @zhujian7 @xuezhaojun

[qiujian16]

/assign @zhujian7 for managed-serviceaccount

will create another one for cluster-proxy @xuezhaojun

[openshift-ci]

@qiujian16: GitHub didn't allow me to assign the following users: managed-serviceaccount, for.

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In response to this:

/assign @zhujian7 for managed-serviceaccount

will create another one for cluster-proxy @xuezhaojun

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[xuezhaojun]

Hi, @tamalsaha I checked the repos of cluster-proxy and MSA and saw there are already arm64 images exist, is there any extra support you need in this case?

https://quay.io/repository/open-cluster-management/cluster-proxy?tab=tags
https://quay.io/repository/open-cluster-management/managed-serviceaccount?tab=tags&tag=latest