ci: missing line break escape on sbom workflow

[ricardoapl]

What this PR does / why we need it:

Generate SBOM with Kubernetes BOM workflow fails because of missing line break escape

https://github.com/kubernetes/kube-state-metrics/actions/runs/10009598032/job/27669716084#step:4:13122

How does this change affect the cardinality of KSM:

Does not change cardinality

Which issue(s) this PR fixes:

None

[k8s-ci-robot]

This issue is currently awaiting triage.

If kube-state-metrics contributors determine this is a relevant issue, they will accept it by applying the triage/accepted label and provide further guidance.

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[ricardoapl]

Confirmed to be working

https://github.com/ricardoapl/kube-state-metrics/actions/runs/10010867410/job/27673031687

[ricardoapl]

/cc @mrueg

[mrueg]

/lgtm

Thanks!

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mrueg, ricardoapl

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