[chore][backend] Add workflow to validate affected generated files

[chahatsagarmain]

Description of your changes:

• Resolves chore: Add CI checks for proto generated library validations #11532
• Added a workflow that should manually invoke the scripts to generate the go and python files
• The diff generated during the workflow should indicate that new generated files in not included

Checklist:

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• 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]

Hi @chahatsagarmain. Thanks for your PR.

I'm waiting for a kubeflow member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[hbelmiro]

/ok-to-test

[hbelmiro]

cc @DharmitD

[hbelmiro]

/ok-to-test

[github-actions]

Approvals successfully granted for pending runs.

[HumairAK]

@chahatsagarmain can you address the ci failures?

[hbelmiro]

/lgtm

cc @HumairAK

[HumairAK]

/lgtm
/approve

Thanks @chahatsagarmain this is going to save a lot of headache further down the road!

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hbelmiro, HumairAK

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