chore(sdk): update kfp-kubernetes docs versions and release scripts

[connor-mccarthy]

Description of your changes:

• Adds kfp-kubernetes docs versions to master.
• Updates the instructions printed out by the script.

Also need to update the release instructions to say "update the kfp-kubernetes docs version on the master branch.

Checklist:

• The title for your pull request (PR) should follow our title convention. Learn more about the pull request title convention used in this repository.

[google-oss-prow]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[connor-mccarthy]

/assign @chensun

[google-oss-prow]

@connor-mccarthy: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
kfp-kubernetes-execution-tests	5ee6e2f	link	false	/test kfp-kubernetes-execution-tests

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[chensun]

/lgtm
/approve

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: chensun

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• kubernetes_platform/OWNERS [chensun]

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