Grant permissions required metal-toolbox workflow

[yuumasato]

The release and release-latest GitHub Actions are failing with invalid error:
https://github.com/ComplianceAsCode/compliance-operator/actions/runs/5895677716

[yuumasato]

I added a temporary trigger for pull requests, and it ran: https://github.com/ComplianceAsCode/compliance-operator/actions/runs/5962659809
But fails because it cannot push from a PR from my fork, so this needs to be merged.

[Vincent056]

/lgtm
let's merge this one

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Vincent056, yuumasato

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• OWNERS [Vincent056]

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[Vincent056]

added qe,doc,px approval label since it is an internal change

[Vincent056]

/retest

[Vincent056]

@yuumasato e2e is not relevant here, do you have the permission to force merge, we need this PR to get latest CO image and test ComplianceAsCode/content#10464

[yuumasato]

@Vincent056 I can override the merge requirements.