feature: Socks proxy support

[xrow]

What type of PR is this?

/kind feature

What this PR does / why we need it:

The client is missing support for proxies of type sock like socks5://localhost:1080

Which issue(s) this PR fixes:

#1064

*Automatically closes linked issue when PR is merged.
Usage: Fixes #1064

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

NONE

For more information on release notes see: https://git.k8s.io/community/contributors/guide/release-notes.md
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Adding support for socks proxies

[k8s-ci-robot]

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This pull-request has been approved by: xrow
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[linux-foundation-easycla]

• ✅login: xrow / (ad3ddee)
• ✅login: xrow / (ad3ddee, 666feac)

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[xrow]

Ohh I have noticed this pull request is totally invalid since the clietns are generated with openapi-generator. I did check the feature is available in newer version. I guess I need to figure out how to setup the dev env generate with a new version. I am wondering if upgrading from openapi-generator 4 to 7 is a huge task.

[roycaihw]

#2391 (comment)

It would be great if we can upgrade the openapi-generator. I think there is a request that could use help: #1421

@xrow Would you like to work on it?

[xrow]

@roycaihw

Thanks for the invite. I did try once and it looked to complex to me because of the lack of experience with openapi. I have the feeling some one else needs to cover. I actually came here because the socks support in ansible is all messy and kubernetes is just one part of it.

ansible/ansible#44338

I think we shall closer this one for now.

[vinibali]

SOCKS5 proxy usage depends on openapi-generator 7.1.0, example pull request:
#2147