add zizmor action

[aheev]

No description provided.

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[aheev]

@adsharma there are a bunch of issues reported by zizmore in CI logs. Those will be added to Security tab after push to main

[aheev]

For token issues, take a look at https://docs.github.com/en/actions/concepts/security/openid-connect

[adsharma]

I'm not convinced that this needs to run on every PR. But let's try it and decide as we go.

[aheev]

I'm not convinced that this needs to run on every PR. But let's try it and decide as we go.

it only runs on PRs which have workflow changes