(spyglass/lenses) allow configuration sandbox permissions

[norrs]

This provides the ability to configure iframe sandbox permissions pr lense. This allows the operator of the prow installation to define which permissions it trust to each lense.

PR comes from the ideas and discussions in https://github.com/kubernetes-sigs/prow/pull/294

[k8s-ci-robot]

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[michelle192837]

/ok-to-test

[norrs]

Do you need anything more from me on this?

[norrs]

Closed https://github.com/kubernetes-sigs/prow/pull/294 in favor of this PR. Please note that the referred PR has the background for why this PR was created in the first place.

Doing a ping/cc here from the people who were active in 294 ( @michelle192837 @smg247 @BenTheElder . )

Would be nice if we could get this in? 🙏

[michelle192837]

Thanks for the ping and apologies for the delay, this dropped off my radar ><

I'll review today!

[norrs]

Seems like we need an approval from cmd/checkconfig/OWNERS: @chases2 , @stevekuznetsov or @cjwagner

[michelle192837]

Those folks are no longer working on Prow unfortunately. I think this should get approval from someone in https://github.com/kubernetes-sigs/prow/blob/main/OWNERS until that OWNERS file is fixed.

(Pulling randomly) @petr-muller or @matthyx ?

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: matthyx, michelle192837, norrs

The full list of commands accepted by this bot can be found here.

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Needs approval from an approver in each of these files:

• ~~cmd/checkconfig/OWNERS~~ [matthyx]
• ~~cmd/deck/OWNERS~~ [matthyx,michelle192837]
• ~~pkg/spyglass/OWNERS~~ [matthyx,michelle192837]

Approvers can indicate their approval by writing /approve in a comment Approvers can cancel approval by writing /approve cancel in a comment