Fix code gen process and pin dependencies for update-codegen.sh

[aojea]

Closes #1870
Closes #1855

This incorporates the great work of @gauravkghildiyal fixing the update codegen script.

In addition:

• add verify scripts and makefile target to use make verify
• make the update codegen script non-interactive so it can run on CI
• bump the golang ci lint version to fix a problem
• run update codegen to update current code

[aojea]

/assign @swetharepakula @spencerhance @gauravkghildiyal

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[aojea]

@spencerhance do we need to update these fails constantly?
I mean, every year this is going to fail

[swetharepakula]

I agree, this doesn't feel necessary.

[swetharepakula]

Thanks @gauravkghildiyal & @aojea.

/lgtm
/approve

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aojea, swetharepakula

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